BlackTreeIndependent security intelligence
← Back to the CVE catalogue
Full vulnerability report · 2025
CVE-2025-2783High confidence

Google Chromium Mojo Sandbox Escape Vulnerability

Google · Chromium Mojo

8.3HighCVSS 3.1
Recommended action
Patch now

CISA confirms exploitation in the wild and lists 2025-04-17 as the remediation due date.

Patch available
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
SSA-212953 · CSAF 2.0 · revision 4 · interimSiemens ProductCERTSSA-212953: Multiple Vulnerabilities in COMOS
2 known affected

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

  • COMOS V10.4
  • COMOS V10.5
Summary
Incorrect handle provided in unspecified circumstances in Mojo in Google Chrome on Windows prior to 134.0.6998.177 allowed a remote attacker to perform a sandbox escape via a malicious file.
Remediation
Update to V10.4.5 or later version
Optional official sources

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

Select the national-authority views to include. The exact source language is shown on each matched advisory. Your choice is remembered on this device and encoded in the shareable URL.

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-2025-8225

CISA KEV mirrored by ENISA

Incorrect handle provided in unspecified circumstances in Mojo in Google Chrome on Windows prior to 134.0.6998.177 allowed a remote attacker to perform a sandbox escape via a malicious file. (Chromium security severity: High)

EUVD state
Present in the current official mapping
Known exploitation
Recorded by ENISA since 27 Mar 2025. Evidence sources: cisa_kev.
ENISA score
8.3 · CVSS 3.1
Advisory evidence
8 linked advisory records
Explicit mitigation evidence

Only statements that explicitly mention a fix, patch, update, workaround or mitigation are shown here.

  • csaf_ncscnl · NCSC-2025-0098Kwetsbaarheid verholpen in Google Chrome
  • csaf_ncscnl · NCSC-2025-0382Kwetsbaarheden verholpen in Siemens producten
  • csaf_opensuse · openSUSE-SU-2025:0111-1Security update for opera
Recommended actionPatch now

CISA confirms exploitation in the wild and lists 2025-04-17 as the remediation due date.

Patch available
01

What, why and how

Google Chromium Mojo on Windows contains a sandbox escape vulnerability caused by a logic error, which results from an incorrect handle being provided in unspecified circumstances. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

What

Google Chromium Mojo on Windows contains a sandbox escape vulnerability caused by a logic error, which results from an incorrect handle being provided in unspecified circumstances. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

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

Google Chromium Mojo on Windows contains a sandbox escape vulnerability caused by a logic error, which results from an incorrect handle being provided in unspecified circumstances. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

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.
Confirmed in the wild

CISA added this CVE to its Known Exploited Vulnerabilities catalogue on 2025-03-27.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
a network path → vulnerable operation → 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
High: exploitation depends on specific conditions
Security boundary
Changed: exploitation can affect a different security authority
Weakness
?CWE means Common Weakness Enumeration.
CWE not yet assigned
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:H/PR:N/UI:R/S:C/C:H/I:H/A:H

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.ACHighAttack complexity: Successful exploitation depends on specific conditions outside the attacker's direct control.PRNonePrivileges required: The attacker does not need an account or existing privileges.UIRequiredUser interaction: Another user must perform an action for exploitation to succeed.SChangedScope: The attack can affect a component governed by a different security authority.CHighConfidentiality impact: A successful attack can cause a major loss.IHighIntegrity impact: A successful attack can cause a major loss.AHighAvailability impact: A successful attack can cause a major loss.
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.
NetworkUnauthenticatedCISA KEV
A

Official authority intelligence

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

ENISA EUVD · EUVD-2025-8225Known-exploited evidence recorded

Incorrect handle provided in unspecified circumstances in Mojo in Google Chrome on Windows prior to 134.0.6998.177 allowed a remote attacker to perform a sandbox escape via a malicious file. (Chromium security severity: High)

Official EUVD record
BSI · German · WID-SEC-W-2025-0641Google Chrome/Microsoft Edge: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Google Chrome/Microsoft Edge ausnutzen, um Sicherheitsvorkehrungen zu umgehen.

Official advisory
BSI · German · WID-SEC-W-2025-2456Jabra Direct: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Jabra Direct ausnutzen, um Sicherheitsvorkehrungen zu umgehen.

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0756Multiples vulnérabilités dans les produits VMware

d?id=CVE-2025-25193 Référence CVE CVE-2025-26519 https://www.cve.org/CVERecord?id=CVE-2025-26519 Référence CVE CVE-2025-27113 https://www.cve.org/CVERecord?id=CVE-2025-27113 Référence CVE CVE-2025-27144 https://www.cve.org/CVERecord?id=CVE-2025-27144 Référence CVE CVE-2025-27210 https://www.cve.org/CVERecord?id=CVE-2025-27210 Référence CVE CVE-2025-27516 https://www.cve.org/CVERecord?id=CVE-2025-27516 Référence CVE CVE-2025-27587 https://www.cve.org/CVERecord?id=CVE-2025-27587 Référence CVE CVE-2025-27817 https://www.cve.org/CVERecord?id=CVE-2025-27817 Référence CVE CVE-2025-27818 https://www.cve.org/CVERecord?id=CVE-2025-27818 Référence CVE CVE-2025-2783 https://www.cve.org/CVERecord?id=CVE-2025-2783 Référence CVE CVE-2025-2817 https://www.cve.org/CVERecord?id=CVE-2025-2817 Référence CVE CVE-2025-2857 https://www.cve.org/CVERecord?id=CVE-2025-2857 Référence CVE CVE-2025-29087 https://www.cve.org/CVERecord?id=CVE-2025-29087 Référence CVE CVE-2025-29088 https://www.cve.org/CVERecord?id=CVE-2025-29088 Référence CVE CVE-2025-30204 https://www.cve.org/CVERecord?id=CVE-2025-30204 Référence CVE CVE-2025-30258 https://www.cve.org/CVERecord?id=CVE-2025-30258 Référence CVE CVE-2025-3028 https://www.cve.org/CVERecord?id=CVE-2025-3028 Référence CVE CVE-2025-3029 https://www.cve.org/CVERecord?id=CVE-2025

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0301Multiples vulnérabilités dans les produits Palo Alto Networks

De multiples vulnérabilités ont été découvertes dans les produits Palo Alto Networks. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire, une élévation de privilèges et un déni de service à distance.

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0247Vulnérabilité dans Microsoft Edge

Une vulnérabilité a été découverte dans Microsoft Edge. Elle permet à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur.

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0241Vulnérabilité dans Google Chrome

Une vulnérabilité a été découverte dans Google Chrome. Elle permet à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur. Google indique que la vulnérabilité CVE-2025-2783 est activement exploitée.

Official advisory
NCSC-NL · Dutch · NCSC-2025-0098Kwetsbaarheid verholpen in Google Chrome

Een kwaadwillende kan misbruik maken van de kwetsbaarheid door een slachtoffer te overtuigen om een malafide link te openen. Op die manier kan de sandbox-beveiliging van de Chrome-browser worden omzeild. In combinatie met een momenteel nog onbekende kwetsbaarheid kan dit, volgens Kaspersky, leiden tot het uitvoeren van willekeurige code op het onderliggende systeem. Google geeft aan meldingen te hebben ontvangen dat de kwetsbaarheid beperkt en gericht wordt misbruikt. Er is (nog) geen publieke exploitcode beschikbaar.

Official advisory
NCSC-NL · Dutch · NCSC-2025-0382Kwetsbaarheden verholpen in Siemens producten

Palo Alto Networks has addressed vulnerabilities in Prisma® Access Browser and highlighted a high-severity sandbox escape flaw in Google Chrome on Windows, linked to an incorrect handle in Mojo.

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.
Patch available
Affected
COMOS V10.4; COMOS V10.5
Fixed
No fixed version is explicitly recorded in the structured CVE data.
Action
Update to V10.4.5 or later version
Workaround
No verified workaround is recorded. If business-safe, reduce exposure to the affected interface and allow only trusted sources until authoritative guidance is available.
04

Evidence and provenance

Published 26 Mar 2025 · Last source change 26 Feb 2026, 19:09 UTC · CWE not yet assigned

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 2026-08-14
European sourceENISA EUVD · EUVD-2025-8225
Product sourceVendor CSAF · Siemens ProductCERT
Remediation sourceVendor CSAF · Siemens ProductCERT
CWE sourceUnavailable
NVD statusNVD enriched

Missing structured fields: CWE classification. Missing data is not evidence of low risk; review the primary advisory.

Material change intelligence

What changed after publication

View recent updates →

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
Added to CISA KEV
ENISA EUVD · EUVD-2025-8225↗Vendor CSAF · Siemens ProductCERT↗CISA KEV record↗CVE authority or vendor 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-2025-2783 · cve.blacktree.nl