Skip to main content

Windows 10 1809 CVE-2025-21340

MEDIUM
Improper Access Control (CWE-284)
2025-01-14 secure@microsoft.com
Microsoft Authentication Bypass Windows 10 1809 Windows 10 21h2 Windows 10 22h2 Windows 11 22h2 Windows 11 23h2 Windows 11 24h2 Windows Server 2019 Windows Server 2022 Windows Server 2022 23h2 Windows Server 2025 Windows
5.5
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 18:03 vuln.today
Patch released
Mar 28, 2026 - 18:03 nvd
Patch available
CVE Published
Jan 14, 2025 - 18:15 nvd
MEDIUM 5.5

DescriptionCVE.org

Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability

AnalysisAI

Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-284. Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability Affected products include: Microsoft Windows 10 1809, Microsoft Windows 10 21H2, Microsoft Windows 10 22H2, Microsoft Windows 11 22H2, Microsoft Windows 11 23H2.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Share

CVE-2025-21340 vulnerability details – vuln.today
Back

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