SB2025070924 - Multiple vulnerabilities in Microsoft Windows Secure Kernel Mode

Description

This security bulletin contains information about 2 vulnerabilities.

1) Processor optimization removal or modification of security-critical code (CVE-ID: CVE-2025-48810)

CWE-ID: CWE-1037 - Processor optimization removal or modification of security-critical code

CVSSv4: 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/E:U/U:Clear

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.

2) Processor optimization removal or modification of security-critical code (CVE-ID: CVE-2025-48809)

CWE-ID: CWE-1037 - Processor optimization removal or modification of security-critical code

CVSSv4: 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/E:U/U:Clear

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.

Remediation

Install update from vendor's website.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48810
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48809