VULNERABILITY INTELLIGENCE

CVE-2026-21231

CVSS score7.8 HIGH
EPSS probability2.56%
CISA KEVNot currently listed
Published2026-02-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Description

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

Weakness classification

  • secure@microsoft.com: CWE-362

Primary references