CVE-2026-39870

State: Published
Severity: 7.5 High
Published: May 11, 2026
Updated: May 12, 2026
Reserved: Apr 7, 2026

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Processing a maliciously crafted image may corrupt process memory.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	CISA-ADP

Weaknesses

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected Products

Product	Versions
macOSApple	before 14.8.7Affected before 15.7.7Affected before 26.5Affected

References

https://support.apple.com/en-us/127115
https://support.apple.com/en-us/127116
https://support.apple.com/en-us/127117

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