Processor optimization removal or modification of security-critical code in Microsoft Windows and Windows Server - CVE-2025-48809
Published: July 9, 2025
Vulnerability identifier: #VU112585
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-48809
CWE-ID: CWE-1037
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to processor optimization removal or modification of security-critical code in Windows Secure Kernel Mode. A local user can gain access to sensitive information.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2025-48809
Install updates from vendor's website.
Microsoft Windows - addressed in versions 10 1607 10.0.14393.8246, 11 24H2 10.0.26100.4652
Windows Server - addressed in versions 2022 23H2 10.0.22621.5472, 2025 10.0.26100.4652
Windows Server - addressed in versions 2022 23H2 10.0.22621.5472, 2025 10.0.26100.4652