CVE-2026-20927

MEDIUM
2026-01-13 [email protected]
5.3
CVSS 3.1
Share

CVSS Vector

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

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 13, 2026 - 18:16 nvd
MEDIUM 5.3

Tags

Windows Race Condition Windows Server 2022 Windows 11 24h2 Windows 10 21h2 Windows 10 1809 Windows 11 23h2 Windows 10 1607 Windows 11 25h2 Windows Server 2016 Windows 10 22h2 Windows Server 2025 Windows Server 2019 Windows Server 2008 Windows Server 2012 Windows Server 2022 23h2 Microsoft

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to deny service over a network.

Analysis

Windows SMB Server denial of service via race condition affects Windows 10 21h2, Windows 11 24h2, and Windows Server 2022, allowing authenticated attackers to disrupt service availability through improper synchronization of shared resources. The vulnerability requires network access and specific conditions to trigger but carries no patch availability at this time. …

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

Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. 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

27
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: 0

Share

CVE-2026-20927 vulnerability details – vuln.today
Back

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