CVE-2026-86958

The issue was addressed with improved memory handling. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An attacker with memory write capability may be able to bypass pointer authentication codes and run arbitrary code.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://support.apple.com/en-us/149035	Release Notes Vendor Advisory
https://support.apple.com/en-us/149522	Release Notes Vendor Advisory
https://support.apple.com/en-us/149523	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:macos::::::::

History

10 Nov 2026, 16:49

Type	Values Removed	Values Added
CPE		cpe:2.3:o:apple:macos::::::::
First Time		Apple Apple macos
References	~~() https://support.apple.com/en-us/149035 -~~	() https://support.apple.com/en-us/149035 - Release Notes, Vendor Advisory
References	~~() https://support.apple.com/en-us/149522 -~~	() https://support.apple.com/en-us/149522 - Release Notes, Vendor Advisory
References	~~() https://support.apple.com/en-us/149523 -~~	() https://support.apple.com/en-us/149523 - Release Notes, Vendor Advisory

06 Nov 2026, 19:17

Type	Values Removed	Values Added
CWE		CWE-119
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.8

26 Oct 2026, 21:20

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-26 21:20

Updated : 2026-11-10 16:49

NVD link : CVE-2026-86958

Mitre link : CVE-2026-86958

CVE.ORG link : CVE-2026-86958

JSON object : View

Products Affected

apple

macos

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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