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Full vulnerability report · 2026
CVE-2026-87596High confidence

Out of bounds read in ANGLE in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to read memory outside the sandbox via a crafted HTML page

Google · Chrome

4.3MediumCVSS 3.1
Recommended action
Patch only the product branches with a verified fix

Medium technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 22 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Fix availability varies by product
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityMediumOperational priority:High, raised one band.upgradedsince 9 Sep 2026

Evidence used

  • No CISA KEV confirmation is currently recorded.
  • A structured source references public exploit or proof-of-concept material.
  • EPSS is 0.24% for the current model date.

Compensating controls

  • Apply the linked authoritative mitigation while planning the permanent fix.
  • Restrict the affected network interface to trusted sources where business-safe.
  • Increase monitoring for the attack path and post-exploitation behaviour described in the report.

Verification

  1. Confirm that the asset runs Google Chrome and falls inside the recorded affected range.
  2. Recheck the vendor advisory before scheduling a change because no verified fixed version is currently retained.
  3. Validate exposure, authentication requirements and compensating controls in the actual environment.
  4. Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Mitigation target: Within 30 daysRemediation target: Within 180 days

This automated reassessment organises public evidence. It does not know asset exposure, business impact or control effectiveness and does not replace CVSS or a human risk decision.

Cross-source reconciliation

Remediation availability differs by product scope

Verified remediation exists for at least one product or source, but 22 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Distribution package intelligence

Release-specific package status

Debian findings are scoped to the named distribution, release and source package. An absent finding does not mean a package is unaffected.

4 package states
Repository candidate not checked

A published vendor fix does not prove that a matching update is enabled and installable on a particular asset. Confirm the local package candidate before scheduling remediation.

Distribution releaseSource packageVendor stateFixed versionEvidence
Debian trixietrixie · sourcechromiumVendor fix publishedDebian records a fixed source-package version for this release.153.0.8010.47-2~deb13u1Debian Security Tracker ↗Source updated 5 Oct 2026
Debian bookwormbookworm · sourcechromiumVendor fix publishedDebian records a fixed source-package version for this release.153.0.8010.52-1~deb12u1Debian Security Tracker ↗Source updated 5 Oct 2026
Debian forkyforky · sourcechromiumVendor fix publishedDebian records a fixed source-package version for this release.153.0.8010.47-1Debian Security Tracker ↗Source updated 5 Oct 2026
Debian sidsid · sourcechromiumVendor fix publishedDebian records a fixed source-package version for this release.153.0.8010.47-1Debian Security Tracker ↗Source updated 5 Oct 2026
Direct vendor intelligence

Authoritative vendor CSAF and VEX advisories

Structured product status and remediation from the issuing vendor. Product-state explanations are always visible; large lists can be searched or downloaded.

1 current
CVE-2026-87596 · CSAF 2.0 · revision 3 · finalRed Hat Product Securitychromium-browser: angle: ANGLE in Google Chrome: Information disclosure via out-of-bounds read
22 known affected

The vendor explicitly identifies these products as affected by this CVE.

  • webkitgtk as a component of Red Hat Enterprise Linux 6
  • webkitgtk-devel as a component of Red Hat Enterprise Linux 6
  • webkitgtk-doc as a component of Red Hat Enterprise Linux 6
  • webkitgtk.src as a component of Red Hat Enterprise Linux 6
  • webkitgtk4 as a component of Red Hat Enterprise Linux 7
  • webkitgtk4-devel as a component of Red Hat Enterprise Linux 7
  • webkitgtk4-doc as a component of Red Hat Enterprise Linux 7
  • webkitgtk4-jsc as a component of Red Hat Enterprise Linux 7
  • webkitgtk4-jsc-devel as a component of Red Hat Enterprise Linux 7
  • webkitgtk4-plugin-process-gtk2 as a component of Red Hat Enterprise Linux 7
  • webkitgtk4.src as a component of Red Hat Enterprise Linux 7
  • webkit2gtk3 as a component of Red Hat Enterprise Linux 8
Summary
A flaw was found in ANGLE, a component of Google Chrome. A remote attacker could exploit an out-of-bounds read vulnerability by enticing a user to visit a specially crafted HTML page. This could allow the attacker to read sensitive memory outside of the browser's security sandbox, leading to information disclosure.
Remediation
Affected
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Choose official national sources for this report. Each advisory shows its original language. Your selection is remembered on this device and included in shared links.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2026-74503

No EUVD known-exploited evidence

Out of bounds read in ANGLE in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
4.3 · CVSS 3.1
Advisory evidence
No linked advisory details stored yet
Recommended actionPatch only the product branches with a verified fix

Medium technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 22 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Fix availability varies by product
01

What, why and how

Out of bounds read in ANGLE in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)

What

Out of bounds read in ANGLE in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)

Why

The product reads data past the end, or before the beginning, of the intended buffer.

How

An attacker operating through a network path may attempt exploitation without authentication after a user interaction. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

What

Out of bounds read in ANGLE in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)

Why

The product reads data past the end, or before the beginning, of the intended buffer.

How

An attacker operating through a network path may attempt exploitation without authentication after a user interaction. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
Reference recorded

A structured CVE source labels at least one public reference as exploit material. BlackTree has not independently validated that it is safe, reliable or weaponised.

Likely attack path
a network path → Out-of-bounds Read → cause the confidentiality, integrity or availability impact described by the vendor
Attack surface
Network
Privileges required
None: unauthenticated exploitation is possible
User interaction
Required interaction required
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-125 ↗

CWE-125: Out-of-bounds Read. The product reads data past the end, or before the beginning, of the intended buffer.

CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVNetworkAttack vector: The vulnerable component can be reached over a network.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRNonePrivileges required: The attacker does not need an account or existing privileges.UIRequiredUser interaction: Another user must perform an action for exploitation to succeed.SUnchangedScope: The security impact remains within the vulnerable component's authority.CLowConfidentiality impact: A successful attack can cause a limited loss.INoneIntegrity impact: No direct loss is represented by this metric.ANoneAvailability impact: No direct loss is represented by this metric.
Post-exploitation / living off the land
No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.
NetworkUnauthenticatedCWE-125Public exploit reference
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

ENISA EUVD · EUVD-2026-74503Official EUVD mapping

Out of bounds read in ANGLE in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)

Official EUVD record ↗
BSI · German · WID-SEC-2026-3238Google Chrome / Microsoft Edge: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff

Ein Angreifer kann mehrere Schwachstellen in Google Chrome / Microsoft Edge ausnutzen, um nicht näher spezifizierte Angriffe durchzuführen, darunter möglicherweise die Ausführung von beliebigem Code, die Umgehung von Sicherheitsmaßnahmen, die Ausweitung von Berechtigungen, die Offenlegung sensibler Informationen, die Durchführung von XSS-Angriffen oder das Auslösen eines Denial-of-Service-Zustands.

Official advisory ↗
Cyber Security Agency of Singapore · English · CSA-SB-20260916Security Bulletin 16 Sep 2026

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 16 Sep 2026, published on 16 September 2026. Open the linked bulletin for the product, severity and reference information published in that issue.

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-1173Multiples vulnérabilités dans Microsoft Edge

e CVE-2026-87586 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87587 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87588 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87589 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87590 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87591 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87592 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87593 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87594 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87596 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87598 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87599 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87600 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87601 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87602 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87603 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87604 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87605 du 14 septembre 2026 Bulletin de sécurité Microsoft Edge CVE-2026-87606 d

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-1139Multiples vulnérabilités dans Google Chrome

d?id=CVE-2026-87587 Référence CVE CVE-2026-87588 https://www.cve.org/CVERecord?id=CVE-2026-87588 Référence CVE CVE-2026-87589 https://www.cve.org/CVERecord?id=CVE-2026-87589 Référence CVE CVE-2026-87590 https://www.cve.org/CVERecord?id=CVE-2026-87590 Référence CVE CVE-2026-87591 https://www.cve.org/CVERecord?id=CVE-2026-87591 Référence CVE CVE-2026-87592 https://www.cve.org/CVERecord?id=CVE-2026-87592 Référence CVE CVE-2026-87593 https://www.cve.org/CVERecord?id=CVE-2026-87593 Référence CVE CVE-2026-87594 https://www.cve.org/CVERecord?id=CVE-2026-87594 Référence CVE CVE-2026-87595 https://www.cve.org/CVERecord?id=CVE-2026-87595 Référence CVE CVE-2026-87596 https://www.cve.org/CVERecord?id=CVE-2026-87596 Référence CVE CVE-2026-87597 https://www.cve.org/CVERecord?id=CVE-2026-87597 Référence CVE CVE-2026-87598 https://www.cve.org/CVERecord?id=CVE-2026-87598 Référence CVE CVE-2026-87599 https://www.cve.org/CVERecord?id=CVE-2026-87599 Référence CVE CVE-2026-87600 https://www.cve.org/CVERecord?id=CVE-2026-87600 Référence CVE CVE-2026-87601 https://www.cve.org/CVERecord?id=CVE-2026-87601 Référence CVE CVE-2026-87602 https://www.cve.org/CVERecord?id=CVE-2026-87602 Référence CVE CVE-2026-87603 https://www.cve.org/CVERecord?id=CVE-2026-87603 Référence CVE CVE-2026-87604 https://www.cve.org/CVERecord?id=

Official advisory ↗
CSIRT Italia · Italian · risolte-vulnerabilita-in-google-chrome-72Risolte vulnerabilità in Google Chrome

evati da ricercatori esterni con gravità “critica” e “alta”: CVE (47) Cerca: Tabella CVE CVE POC EXPLOITATION CVE-2026-87654 : apre una nuova finestra - - CVE-2026-87651 : apre una nuova finestra - - CVE-2026-87650 : apre una nuova finestra - - CVE-2026-87647 : apre una nuova finestra - - CVE-2026-87646 : apre una nuova finestra - - CVE-2026-87639 : apre una nuova finestra - - CVE-2026-87633 : apre una nuova finestra - - CVE-2026-87628 : apre una nuova finestra - - CVE-2026-87621 : apre una nuova finestra - - CVE-2026-87612 : apre una nuova finestra - - CVE-2026-87607 : apre una nuova finestra - - CVE-2026-87604 : apre una nuova finestra - - CVE-2026-87596 : apre una nuova finestra - - CVE-2026-87587 : apre una nuova finestra - - CVE-2026-87585 : apre una nuova finestra - - CVE-2026-87581 : apre una nuova finestra - - CVE-2026-87578 : apre una nuova finestra - - CVE-2026-87572 : apre una nuova finestra - - CVE-2026-87569 : apre una nuova finestra - - CVE-2026-87564 : apre una nuova finestra - - CVE-2026-87558 : apre una nuova finestra - - CVE-2026-87554 : apre una nuova finestra - - CVE-2026-87552 : apre una nuova finestra - - CVE-2026-87542 : apre una nuova finestra - - CVE-2026-87536 : apre una nuova finestra - - CVE-2026-87527 : apre una nuova finestra - - CVE-2026-87525 : apre una nuova fi

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2026-033044GoogleのGoogle Chromeにおける境界外読み取りに関する脆弱性

Google Chromeのバージョン153.0.8010.36より前のANGLEにおける境界外読み取りの脆弱性により、リモートの攻撃者が細工されたHTMLページを通じてサンドボックス外のメモリを読み取ることが可能でした。（Chromiumのセキュリティ重大度は高と評価されています）

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Fix availability varies by product
Affected
Fixed
No fixed version is explicitly recorded in the structured CVE data.
Action
Use the product-specific evidence above. Patch only products with a verified fixed release, and keep every affected or under-investigation state without a matching fix in the remediation queue.
Workaround
A mitigation or workaround reference is available from the source linked below; validate it against the affected product and version.
Official vendor articles1 stored document

Linked articles are downloaded and versioned as source evidence. A CVE mention or approved update relationship does not, by itself, verify a fix for every product branch.

  • Chrome Releases: Stable Channel Update for Desktop →Original publisher ↗Searchable text snapshot · Captured 26 Sep 2026Chrome Releases Release updates from the Chrome team Stable Channel Update for Desktop Tuesday, September 8, 2026 The Chrome team is delighted to announce the promotion of Chrome 153 to the stable channel for Windows, Mac and Linux. This will roll out over the coming days/weeks. Chrome 153.0.8010.36 (Linux) 153.0.8010
04

Evidence and provenance

Published 9 Sept 2026 · Last source change 17 Sept 2026, 17:51 UTC · CWE-125 · Out-of-bounds Read

CVE recordCVE.org · 5.2
CVSS sourceCISA ADP
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-09-09
European sourceENISA EUVD · EUVD-2026-74503
Product sourceVendor CSAF · Red Hat Product Security
Remediation sourceVendor CSAF · Red Hat Product Security
CWE sourceCNA
NVD statusNVD enriched

Core structured fields are present and their contributing authorities are shown above.

Material change intelligence

What changed after publication

View recent updates ↗
  1. Affected versionsThe structured affected or fixed version information changed.
    Before
    webkitgtk as a component of Red Hat Enterprise Linux 6; webkitgtk-devel as a component of Red Hat Enterprise Linux 6; webkitgtk-doc as a component of Red Hat Enterprise Linux 6; webkitgtk.src as a component of Red Hat Enterprise Linux 6; libwebkit2gtk as a component of Red Hat Enterprise Linux 7; webkitgtk3 as a component of Red Hat Enterprise Linux 7; webkitgtk3-devel as a component of Red Hat Enterprise Linux 7; webkitgtk3-doc as a component of Red Hat Enterprise Linux 7; webkitgtk3.src as a component of Red Hat Enterprise Linux 7; webkitgtk4 as a component of Red Hat Enterprise Linux 7; webkitgtk4-devel as a component of Red Hat Enterprise Linux 7; webkitgtk4-doc as a component of Red Hat Enterprise Linux 7; webkitgtk4-jsc as a component of Red Hat Enterprise Linux 7; webkitgtk4-jsc-devel as a component of Red Hat Enterprise Linux 7; webkitgtk4-plugin-process-gtk2 as a component of Red Hat Enterprise Linux 7; webkitgtk4.src as a component of Red Hat Enterprise Linux 7; webkit2gtk3 as a component of Red Hat Enterprise Linux 8; webkit2gtk3-devel as a component of Red Hat Enterprise Linux 8; webkit2gtk3-jsc as a component of Red Hat Enterprise Linux 8; webkit2gtk3-jsc-devel as a component of Red Hat Enterprise Linux 8; webkit2gtk3-plugin-process-gtk2 as a component of Red Hat Enterprise Linux 8; webkit2gtk3.src as a component of Red Hat Enterprise Linux 8; webkit2gtk3 as a component of Red Hat Enterprise Linux 9; webkit2gtk3-devel as a component of Red Hat Enterprise Linux 9; webkit2gtk3-jsc as a component of Red Hat Enterprise Linux 9; webkit2gtk3-jsc-devel as a component of Red Hat Enterprise Linux 9; webkit2gtk3.src as a component of Red Hat Enterprise Linux 9
    After
    webkitgtk as a component of Red Hat Enterprise Linux 6; webkitgtk-devel as a component of Red Hat Enterprise Linux 6; webkitgtk-doc as a component of Red Hat Enterprise Linux 6; webkitgtk.src as a component of Red Hat Enterprise Linux 6; webkitgtk4 as a component of Red Hat Enterprise Linux 7; webkitgtk4-devel as a component of Red Hat Enterprise Linux 7; webkitgtk4-doc as a component of Red Hat Enterprise Linux 7; webkitgtk4-jsc as a component of Red Hat Enterprise Linux 7; webkitgtk4-jsc-devel as a component of Red Hat Enterprise Linux 7; webkitgtk4-plugin-process-gtk2 as a component of Red Hat Enterprise Linux 7; webkitgtk4.src as a component of Red Hat Enterprise Linux 7; webkit2gtk3 as a component of Red Hat Enterprise Linux 8; webkit2gtk3-devel as a component of Red Hat Enterprise Linux 8; webkit2gtk3-jsc as a component of Red Hat Enterprise Linux 8; webkit2gtk3-jsc-devel as a component of Red Hat Enterprise Linux 8; webkit2gtk3-plugin-process-gtk2 as a component of Red Hat Enterprise Linux 8; webkit2gtk3.src as a component of Red Hat Enterprise Linux 8; webkit2gtk3 as a component of Red Hat Enterprise Linux 9; webkit2gtk3-devel as a component of Red Hat Enterprise Linux 9; webkit2gtk3-jsc as a component of Red Hat Enterprise Linux 9; webkit2gtk3-jsc-devel as a component of Red Hat Enterprise Linux 9; webkit2gtk3.src as a component of Red Hat Enterprise Linux 9
    Red Hat Product Security ↗
  2. Vendor guidanceAuthoritative vendor guidance changed from remediation: access.redhat.com/CVE-2026-87596 to remediation: access.redhat.com/CVE-2026-87596.
    Before
    remediation: access.redhat.com/CVE-2026-87596
    After
    remediation: access.redhat.com/CVE-2026-87596
    Red Hat Product Security ↗
  3. Affected versionsThe structured affected or fixed version information changed.
    Before
    After
    webkitgtk as a component of Red Hat Enterprise Linux 6; webkitgtk-devel as a component of Red Hat Enterprise Linux 6; webkitgtk-doc as a component of Red Hat Enterprise Linux 6; webkitgtk.src as a component of Red Hat Enterprise Linux 6; libwebkit2gtk as a component of Red Hat Enterprise Linux 7; webkitgtk3 as a component of Red Hat Enterprise Linux 7; webkitgtk3-devel as a component of Red Hat Enterprise Linux 7; webkitgtk3-doc as a component of Red Hat Enterprise Linux 7; webkitgtk3.src as a component of Red Hat Enterprise Linux 7; webkitgtk4 as a component of Red Hat Enterprise Linux 7; webkitgtk4-devel as a component of Red Hat Enterprise Linux 7; webkitgtk4-doc as a component of Red Hat Enterprise Linux 7; webkitgtk4-jsc as a component of Red Hat Enterprise Linux 7; webkitgtk4-jsc-devel as a component of Red Hat Enterprise Linux 7; webkitgtk4-plugin-process-gtk2 as a component of Red Hat Enterprise Linux 7; webkitgtk4.src as a component of Red Hat Enterprise Linux 7; webkit2gtk3 as a component of Red Hat Enterprise Linux 8; webkit2gtk3-devel as a component of Red Hat Enterprise Linux 8; webkit2gtk3-jsc as a component of Red Hat Enterprise Linux 8; webkit2gtk3-jsc-devel as a component of Red Hat Enterprise Linux 8; webkit2gtk3-plugin-process-gtk2 as a component of Red Hat Enterprise Linux 8; webkit2gtk3.src as a component of Red Hat Enterprise Linux 8; webkit2gtk3 as a component of Red Hat Enterprise Linux 9; webkit2gtk3-devel as a component of Red Hat Enterprise Linux 9; webkit2gtk3-jsc as a component of Red Hat Enterprise Linux 9; webkit2gtk3-jsc-devel as a component of Red Hat Enterprise Linux 9; webkit2gtk3.src as a component of Red Hat Enterprise Linux 9
    Red Hat Product Security ↗
  4. Affected versionsThe structured affected or fixed version information changed.
    Before
    153.0.8010.36 < 153.0.8010.36 · Fixed: No fixed version is explicitly recorded in the structured CVE data.
    After
    Chrome: 153.0.8010.36 < 153.0.8010.36 · Fixed: No fixed version is explicitly recorded in the structured CVE data.
    CNA ↗
  5. SeveritySeverity changed from Unknown to Medium.
    Before
    Unknown
    After
    Medium
    CISA ADP ↗
  6. CVSS scoreCVSS score changed from not recorded to 4.3 (CVSS 3.1 · CISA ADP · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N).
    Before
    not recorded
    After
    4.3 (CVSS 3.1 · CISA ADP · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
    CISA ADP ↗
  7. Vendor guidanceAuthoritative vendor guidance changed: added mitigation: issues.chromium.org/536434693; added remediation: issues.chromium.org/536434693; 1 further additions.
    Before
    no authoritative guidance recorded
    After
    mitigation: issues.chromium.org/536434693 · remediation: issues.chromium.org/536434693 · vendor advisory: chromereleases.googleblog.com/stable-channel-update-for-desktop_0808145027.html
    chrome-cve-admin@google.com ↗
  8. Remediation statusRemediation status changed from Awaiting fix to Mitigation available.
    Before
    Awaiting fix
    After
    Mitigation available
    chrome-cve-admin@google.com ↗
  9. Public exploit evidencePublic exploit evidence changed from No public exploit to Public exploit reference.
    Before
    No public exploit
    After
    Public exploit reference
    chrome-cve-admin@google.com ↗
  10. ENISA EUVD mappingEUVD-2026-74503 was added to the official ENISA EUVD mapping for this CVE.
    Before
    not recorded
    After
    {"euvdId":"EUVD-2026-74503"}
    ENISA EUVD ↗
  11. Catalogue recordCVE added to the BlackTree catalogue.
    CNA ↗
Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
Mitigation reference recorded
ENISA EUVD · EUVD-2026-74503↗Vendor CSAF · Red Hat Product Security↗CVE authority or vendor reference↗Public exploit reference↗Official CVE record (CNA and ADP data)↗NVD record↗
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2026-87596 · cve.blacktree.nl