Unrated severityNVD Advisory· Published Jul 8, 2025· Updated Feb 13, 2026

Windows Secure Kernel Mode Information Disclosure Vulnerability

CVE-2025-48809

Description

Processor optimization removal or modification of security-critical code in Windows Kernel allows an authorized attacker to disclose information locally.

Affected products

Microsoft/Windows Kernelllm-fuzzy
Microsoft/Windows 11 Version 24H2v5
Range: 10.0.26100.0
Microsoft/Windows Server 2025v5
Range: 10.0.26100.0
Microsoft/Windows Server 2025 (Server Core installation)v5
Range: 10.0.26100.0

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48809mitrevendor-advisorypatch

News mentions

No linked articles in our index yet.

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