CVE-2026-20918

HIGH
2026-01-13 [email protected]
7.8
CVSS 3.1
Share

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 13, 2026 - 18:16 nvd
HIGH 7.8

Tags

Windows Race Condition Windows 11 25h2 Windows 10 22h2 Windows 10 21h2 Windows 11 24h2 Windows Server 2019 Windows 11 23h2 Windows Server 2025 Windows Server 2022 Windows Server 2022 23h2 Windows 10 1809 Microsoft

Description

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

Analysis

Windows Management Services on Windows 10 and 11 contains a race condition in shared resource synchronization that enables authenticated local users to escalate privileges to system level. The vulnerability affects multiple Windows versions including 22h2, 21h2, and 25h2 builds, with no patch currently available.

Sign in for full analysis, threat intelligence, and remediation guidance.

Remediation

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

Sign in for detailed remediation steps.

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Sign in - Free

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +39
POC: 0

Share

CVE-2026-20918 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy