CVE-2026-97774

Published Oct 13, 2026

Last updated 11 hours ago

Overview

Description
Time-of-check time-of-use (toctou) race condition in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.
Source
secure@microsoft.com
NVD status
Analyzed
Products
365_apps

Risk scores

CVSS 3.1

Type
Secondary
Base score
7
Impact score
5.9
Exploitability score
1
Vector string
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

secure@microsoft.com
CWE-367

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.