CVE-2026-43776

State: Published
Severity: 7.8 High
Published: Jul 27, 2026
Updated: Aug 17, 2026
Reserved: May 1, 2026

Description

A buffer overflow was addressed with improved bounds checking. 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 Tahoe 26.6. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Affected Products

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

References

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