CVE-2026-69609

Win32k Information Disclosure Vulnerability

State: Published
Severity: 5.5 Medium
Published: Sep 8, 2026
Updated: Oct 31, 2026
Reserved: Aug 3, 2026

Description

Out-of-bounds read in Windows Win32K allows an authorized attacker to disclose information locally.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-125 Out-of-bounds Read
CWE-193 Off-by-one Error

Affected Products

Product	Versions
Microsoft Office 365 for MacMicrosoft	1.0.0 to before 16.112.26090911Affected
Microsoft Office for AndroidMicrosoft	16.0.1 to before 16.0.20430.20000Affected
Microsoft Office LTSC for Mac 2021Microsoft	16.0.1 to before 16.112.26090911Affected
Microsoft Office LTSC for Mac 2024Microsoft	16.0.0 to before 16.112.26090911Affected

References

Win32k Information Disclosure Vulnerabilityvendor-advisorypatch

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