What is the CVSS score of CVE-2025-21242?

CVE-2025-21242 has a CVSS 3.1 base score of 5.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.2%.

Which versions of Windows 10 1507 are affected by CVE-2025-21242?

CVE-2025-21242 presents moderate security risk, a information exposure vulnerability rated CVSS 5.9. Sensitive information could be exposed to unauthorized parties.. A patch is available.

How to fix or mitigate CVE-2025-21242?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review data exposure and access controls.

Windows 10 1507 CVE-2025-21242

MEDIUM

Information Exposure (CWE-200)

2025-01-14 secure@microsoft.com

Microsoft Information Disclosure Windows 10 1507 Windows 10 1607 Windows 10 1809 Windows 10 21h2 Windows 10 22h2 Windows 11 22h2 Windows 11 23h2 Windows 11 24h2 Windows Server 2008 Windows Server 2012 Windows Server 2016 Windows Server 2019 Windows Server 2022 Windows Server 2022 23h2 Windows Server 2025 Windows

5.9

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.9 MEDIUM

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

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 5.9

DescriptionCVE.org

Windows Kerberos Information Disclosure Vulnerability

AnalysisAI

Windows Kerberos Information Disclosure Vulnerability. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.

Technical ContextAI

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. Affected products include: Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21H2, Microsoft Windows 10 22H2.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.

CVE-2025-21242 vulnerability details – vuln.today

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Windows 10 1507 CVE-2025-21242

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code