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Windows CVE-2025-53803

MEDIUM
Error Message Information Leak (CWE-209)
2025-09-09 secure@microsoft.com
5.5
CVSS 3.1
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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

2
Analysis Generated
Mar 28, 2026 - 19:11 vuln.today
CVE Published
Sep 09, 2025 - 17:15 nvd
MEDIUM 5.5

DescriptionNVD

Generation of error message containing sensitive information in Windows Kernel allows an authorized attacker to disclose information locally.

AnalysisAI

Generation of error message containing sensitive information in Windows Kernel allows an authorized attacker to disclose information locally. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-209. Generation of error message containing sensitive information in Windows Kernel allows an authorized attacker to disclose information locally. Affected products include: Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21H2, Microsoft Windows 10 22H2.

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.

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CVE-2025-53803 vulnerability details – vuln.today

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