CVE-2026-69799

HIGH
MEDIUM Priority: 0.02 BB Relevance: 31/100
Published: 2026-09-08 Modified: 2026-10-30 First seen: 2026-10-30 Status: active

Attack Surface

No Interaction Conf. Impact Integ. Impact Scope Change

CVSS Vector Breakdown

AV: Local
AC: High
PR: Low
UI: None
S: Changed
C: High
I: High
A: High

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Hello allows an authorized attacker to elevate privileges locally.

Affected Software (7)

VendorProductVersion
Microsoft Windows 10 Version 21H2 10.0.19044.0 < 10.0.19044.7725
Microsoft Windows 10 Version 22H2 10.0.19045.0 < 10.0.19045.7725
Microsoft Windows 11 Version 23H2 10.0.22631.0 < 10.0.22631.7582
Microsoft Windows 11 Version 24H2 10.0.26100.0 < 10.0.26100.9445
Microsoft Windows 11 Version 25H2 10.0.26200.0 < 10.0.26200.9445
Microsoft Windows 11 version 23H2 10.0.22631.0 < 10.0.22631.7582
Microsoft Windows 11 version 26H1 10.0.28000.0 < 10.0.28000.2954

References & Advisories (1)

Bug Bounty Relevance

31 / 100
✓ No user interaction

CVSS Score

7.8 / 10.0 v3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.20%
Raw Score 0.002020
Percentile 10.2%
Date 2026-10-30

Intelligence Sources

mitre ref →