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Apple OS platforms CVE-2026-43661

| EUVD-2026-29306 HIGH
Stack-based Buffer Overflow (CWE-121)
2026-05-11 apple GHSA-wp6x-485c-jcgc
7.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

5
Analysis Generated
May 12, 2026 - 14:30 vuln.today
CVSS changed
May 12, 2026 - 14:22 NVD
7.5 (HIGH)
Patch available
May 11, 2026 - 22:18 EUVD
CVE Published
May 11, 2026 - 20:08 nvd
UNKNOWN (no severity yet)
CVE Published
May 11, 2026 - 20:08 nvd
HIGH 7.5

DescriptionNVD

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. Processing a maliciously crafted image may corrupt process memory.

AnalysisAI

Buffer overflow in Apple's image processing framework across iOS, iPadOS, macOS, tvOS, and watchOS allows remote attackers to cause denial of service through process memory corruption. Despite the CVSS 7.5 (High) rating and network attack vector, the vulnerability is rated low priority with only 2% EPSS exploitation probability (5th percentile), indicating minimal real-world threat activity. …

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RemediationAI

Within 24 hours: Inventory all Apple devices across iOS, iPadOS, macOS, tvOS, and watchOS platforms in your environment. Within 7 days: Deploy Apple security update version 26.5 to all affected devices using your standard patch management process; prioritize macOS and iOS endpoints. …

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CVE-2026-43661 vulnerability details – vuln.today

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