CVE-2026-35436

Microsoft Office Click-To-Run Elevation of Privilege Vulnerability

State: Published
Severity: 8.8 High
Published: May 12, 2026
Updated: Aug 10, 2026
Reserved: Apr 2, 2026

Description

Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-1220 Insufficient Granularity of Access Control

Affected Products

Product	Versions
Microsoft 365 Apps for EnterpriseMicrosoft	16.0.1 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office 2019Microsoft	19.0.0 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office LTSC 2021Microsoft	16.0.1 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office LTSC 2024Microsoft	16.0.0 to before https://aka.ms/OfficeSecurityReleasesAffected

References

Microsoft Office Click-To-Run Elevation of Privilege Vulnerabilityvendor-advisorypatch

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