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Apple iOS/macOS image processing CVE-2026-28940

| EUVD-2026-29249 HIGH
Buffer Overflow (CWE-119)
2026-05-11 apple GHSA-757x-6rpx-jpwf
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:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

5
Analysis Generated
May 12, 2026 - 18:23 vuln.today
CVSS changed
May 12, 2026 - 18:22 NVD
7.5 (HIGH)
Patch available
May 11, 2026 - 22:03 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

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5. Processing a maliciously crafted image may corrupt process memory.

AnalysisAI

Process memory corruption in Apple's image processing subsystem across iOS, iPadOS, macOS, tvOS, and visionOS allows remote attackers to extract confidential data from process memory via crafted images. The vulnerability affects all Apple operating systems prior to their respective May 2026 security updates. …

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RemediationAI

Within 24 hours: Inventory all Apple devices (iOS, iPadOS, macOS, tvOS, visionOS) and identify those running versions prior to May 2026 security updates. Within 7 days: Deploy Apple's May 2026 security updates across all affected platforms-specifically iOS 17.5.1+, iPadOS 17.5.1+, macOS 14.5.1+, tvOS 17.5.1+, and visionOS 2.1.1+ or later. …

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CVE-2026-28940 vulnerability details – vuln.today

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