CVE-2026-97774

Microsoft Office Click-To-Run Elevation of Privilege Vulnerability

Published Oct 13, 2026 CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Description
Time-of-check time-of-use (toctou) race condition in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Time-of-check time-of-use (toctou) race condition in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.
Title Microsoft Office Click-To-Run Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft 365 Apps
Weaknesses CWE-367
CPEs cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*
Vendors & Products Microsoft
Microsoft 365 Apps
References
Metrics cvssV3_1

{'score': 7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 10, 2026, 8:41 PM
Reserved
Sep 25, 2026, 4:32 AM
Status
Analyzed
Published
Oct 13, 2026, 7:22 PM
Modified
Oct 15, 2026, 5:39 PM