What is the CVSS score of CVE-2025-26651?

CVE-2025-26651 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 39.8%.

Which versions of Windows 11 22h2 are affected by CVE-2025-26651?

CVE-2025-26651 presents notable security risk rated CVSS 6.5. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-26651?

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

Windows 11 22h2 CVE-2025-26651

MEDIUM

Exposed Dangerous Method or Function (CWE-749)

2025-04-08 secure@microsoft.com

Microsoft Information Disclosure Windows 11 22h2 Windows 11 23h2 Windows 11 24h2 Windows Server 2022 Windows Server 2022 23h2 Windows Server 2025 Windows

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:35 vuln.today

CVE Published

Apr 08, 2025 - 18:15 nvd

MEDIUM 6.5

DescriptionCVE.org

Exposed dangerous method or function in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.

AnalysisAI

Exposed dangerous method or function in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 39.8% and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-749. Exposed dangerous method or function in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network. Affected products include: Microsoft Windows 11 22H2, Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows Server 2022, Microsoft Windows Server 2022 23H2.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

CVE-2025-26651 vulnerability details – vuln.today

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Windows 11 22h2 CVE-2025-26651

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code