CVE-2026-28940

high
Published 2026-05-11 · Modified 2026-05-22
CVSS v3
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2
VIR risk
8.8

Description

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.

Predictions

Exploit likelihood
92%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — https://support.apple.com/en-us/127120

vendor Authored 2026-05-27

Vendor advisory: apple — https://support.apple.com/en-us/127118

vendor Authored 2026-05-27

Vendor advisory: apple — https://support.apple.com/en-us/127116

vendor Authored 2026-05-27

Vendor advisory: apple — https://support.apple.com/en-us/127115

vendor Authored 2026-05-27

Vendor advisory: apple — https://support.apple.com/en-us/127111

vendor Authored 2026-05-27

Vendor advisory: apple — https://support.apple.com/en-us/127110

OS impact

OSVersionStatusFixed in
ios26.5fixed
ios18.7.9fixed
macos macos26.5fixed
macos macos15.7.7fixed
tvos26.5fixed
macos macosaffected18.7.9

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.