CVE-2026-43818

State: Published
Severity: 8.8 High
Published: Jul 27, 2026
Updated: Aug 17, 2026
Reserved: May 1, 2026

Description

An integer overflow was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Processing a maliciously crafted image may lead to arbitrary code execution.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-190 Integer Overflow or Wraparound

Affected Products

Product	Versions
iOS and iPadOSApple	before 18.7.10Affected before 26.6Affected
macOSApple	before 14.8.8Affected before 15.7.8Affected before 26.6Affected

References

https://support.apple.com/en-us/128066
https://support.apple.com/en-us/128067
https://support.apple.com/en-us/128071
https://support.apple.com/en-us/128072
https://support.apple.com/en-us/148287

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