BlackTreeIndependent security intelligence
← Back to the CVE catalogue
Full vulnerability report · 2025
CVE-2025-43533High confidence

The issue was addressed with improved bounds checks

Apple · iOS and iPadOS

5.7MediumCVSS 3.1
Recommended action
Scheduled

Medium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.

Fix not verified
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-2025-203980

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

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
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionScheduled

Medium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.

Fix not verified
01

What, why and how

The issue was addressed with improved bounds checks. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.2 and iPadOS 26.2, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. A malicious HID device may cause an unexpected process crash.

What

The issue was addressed with improved bounds checks. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.2 and iPadOS 26.2, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. A malicious HID device may cause an unexpected process crash.

Why

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

How

An attacker operating through an adjacent network may attempt exploitation without authentication after a user interaction. If successful, the issue may disrupt the affected service.

What

The issue was addressed with improved bounds checks. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.2 and iPadOS 26.2, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. A malicious HID device may cause an unexpected process crash.

Why

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

How

An attacker operating through an adjacent network may attempt exploitation without authentication after a user interaction. If successful, the issue may disrupt the affected service.

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.
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
an adjacent network → Improper Input Validation → disrupt the affected service
Attack surface
Adjacent
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-20 ↗

CWE-20: Improper Input Validation. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

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

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

AVAdjacentAttack vector: The attacker must be on an adjacent or logically close 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.CNoneConfidentiality impact: No direct loss is represented by this metric.INoneIntegrity impact: No direct loss is represented by this metric.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.
UnauthenticatedDenial of serviceCWE-20
A

Official authority intelligence

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

BSI · German · WID-SEC-W-2025-2838Apple macOS: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Apple macOS ausnutzen, um seine Privilegien zu erhöhen, um Informationen offenzulegen, um einen Denial of Service Angriff durchzuführen, um Sicherheitsvorkehrungen zu umgehen, und um beliebigen Programmcode auszuführen.

Official advisory
BSI · German · WID-SEC-W-2026-0402Apple iOS und iPadOS: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Apple iOS und Apple iPadOS ausnutzen, um Administratorrechte zu erlangen, beliebigen Code auszuführen, einen Denial-of-Service-Zustand zu verursachen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder andere nicht näher spezifizierte Angriffe durchzuführen.

Official advisory
BSI · German · WID-SEC-W-2026-0403Apple macOS Tahoe, Sequoia und Sonoma: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Apple macOS ausnutzen, um Administratorrechte zu erlangen, beliebigen Code auszuführen, einen Denial-of-Service-Zustand herbeizuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder andere nicht näher spezifizierte Angriffe durchzuführen.

Official advisory
BSI · German · WID-SEC-W-2025-2836Apple iOS und iPadOS: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Apple iOS und Apple iPadOS ausnutzen, um sich erhöhte Berechtigungen zu verschaffen – inklusive Root-Rechten –, um Denial-of-Service-Angriffe oder Speicherbeschädigungen durchzuführen, um Spoofing-Angriffe durchzuführen, um Informationen offenzulegen, um beliebigen Code auszuführen oder um andere, nicht näher spezifizierte Angriffe durchzuführen.

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0158Multiples vulnérabilités dans les produits Apple

e sécurité Apple 126353 du 11 février 2026 https://support.apple.com/en-us/126353 Bulletin de sécurité Apple 126354 du 11 février 2026 https://support.apple.com/en-us/126354 Référence CVE CVE-2025-14174 https://www.cve.org/CVERecord?id=CVE-2025-14174 Référence CVE CVE-2025-43338 https://www.cve.org/CVERecord?id=CVE-2025-43338 Référence CVE CVE-2025-43402 https://www.cve.org/CVERecord?id=CVE-2025-43402 Référence CVE CVE-2025-43403 https://www.cve.org/CVERecord?id=CVE-2025-43403 Référence CVE CVE-2025-43417 https://www.cve.org/CVERecord?id=CVE-2025-43417 Référence CVE CVE-2025-43529 https://www.cve.org/CVERecord?id=CVE-2025-43529 Référence CVE CVE-2025-43533 https://www.cve.org/CVERecord?id=CVE-2025-43533 Référence CVE CVE-2025-43537 https://www.cve.org/CVERecord?id=CVE-2025-43537 Référence CVE CVE-2025-46283 https://www.cve.org/CVERecord?id=CVE-2025-46283 Référence CVE CVE-2025-46290 https://www.cve.org/CVERecord?id=CVE-2025-46290 Référence CVE CVE-2025-46300 https://www.cve.org/CVERecord?id=CVE-2025-46300 Référence CVE CVE-2025-46301 https://www.cve.org/CVERecord?id=CVE-2025-46301 Référence CVE CVE-2025-46302 https://www.cve.org/CVERecord?id=CVE-2025-46302 Référence CVE CVE-2025-46303 https://www.cve.org/CVERecord?id=CVE-2025-46303 Référence CVE CVE-2025-46304 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2025-AVI-1110Multiples vulnérabilités dans les produits Apple

d?id=CVE-2025-43521 Référence CVE CVE-2025-43522 https://www.cve.org/CVERecord?id=CVE-2025-43522 Référence CVE CVE-2025-43523 https://www.cve.org/CVERecord?id=CVE-2025-43523 Référence CVE CVE-2025-43526 https://www.cve.org/CVERecord?id=CVE-2025-43526 Référence CVE CVE-2025-43527 https://www.cve.org/CVERecord?id=CVE-2025-43527 Référence CVE CVE-2025-43529 https://www.cve.org/CVERecord?id=CVE-2025-43529 Référence CVE CVE-2025-43530 https://www.cve.org/CVERecord?id=CVE-2025-43530 Référence CVE CVE-2025-43531 https://www.cve.org/CVERecord?id=CVE-2025-43531 Référence CVE CVE-2025-43532 https://www.cve.org/CVERecord?id=CVE-2025-43532 Référence CVE CVE-2025-43533 https://www.cve.org/CVERecord?id=CVE-2025-43533 Référence CVE CVE-2025-43535 https://www.cve.org/CVERecord?id=CVE-2025-43535 Référence CVE CVE-2025-43536 https://www.cve.org/CVERecord?id=CVE-2025-43536 Référence CVE CVE-2025-43538 https://www.cve.org/CVERecord?id=CVE-2025-43538 Référence CVE CVE-2025-43539 https://www.cve.org/CVERecord?id=CVE-2025-43539 Référence CVE CVE-2025-43541 https://www.cve.org/CVERecord?id=CVE-2025-43541 Référence CVE CVE-2025-43542 https://www.cve.org/CVERecord?id=CVE-2025-43542 Référence CVE CVE-2025-46276 https://www.cve.org/CVERecord?id=CVE-2025-46276 Référence CVE CVE-2025-46277 https://www.cve.org/CVERecord?id=

Official advisory
NCSC-NL · Dutch · NCSC-2025-0397Kwetsbaarheden verholpen in Apple iOS en iPadOS

Enhanced input validation measures have resolved multiple memory corruption issues, improving overall system security.

Official advisory
NCSC-NL · Dutch · NCSC-2025-0396Kwetsbaarheden verholpen in Apple macOS

Enhanced input validation measures have resolved multiple memory corruption issues, improving overall system security.

Official advisory
NCSC-NL · Dutch · NCSC-2026-0064Kwetsbaarheden verholpen in Apple iOS en iPadOS

Apple addressed multiple memory corruption vulnerabilities across its operating systems, including watchOS, iOS, iPadOS, macOS, visionOS, and tvOS, through improved input validation and enhanced bounds checks to prevent crashes from malicious HID devices.

Official advisory
NCSC-NL · Dutch · NCSC-2026-0063Kwetsbaarheden verholpen in Apple macOS

Apple addressed multiple memory corruption vulnerabilities across its operating systems, including watchOS, iOS, iPadOS, macOS, visionOS, and tvOS, through improved input validation and enhanced bounds checks to prevent crashes from malicious HID devices.

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 not verified
Affected
< 18.7.5; < 26.2; < 14.8.4; < 15.7.4
Fixed
No fixed version is explicitly recorded in the structured CVE data.
Action
No verified patch reference is present in the current structured sources. Check the vendor advisory before making a change.
Workaround
No verified workaround is recorded. Limit untrusted access and use least privilege until authoritative guidance is available.
04

Evidence and provenance

Published 17 Dec 2025 · Last source change 2 Apr 2026, 18:20 UTC · CWE-20 · Improper Input Validation

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-2025-203980
Product sourceCNA
Remediation sourceCVE/CNA references
CWE sourceCISA ADP
NVD statusNVD modified after enrichment

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

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
ENISA EUVD · EUVD-2025-203980↗CVE authority or vendor reference↗Vendor advisory↗Vendor advisory↗Vendor advisory↗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-2025-43533 · cve.blacktree.nl