Multiple vulnerabilities in Microsoft Windows Secure Kernel Mode

Published: 2025-07-09

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2025-48810 CVE-2025-48809
CWE-ID	CWE-1037
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	Windows Server Operating systems & Components / Operating system Windows Operating systems & Components / Operating system
Vendor	Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Processor optimization removal or modification of security-critical code

EUVDB-ID: #VU112584

Risk: Low

CVSSv4.0: 4.3 [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]

CVE-ID: CVE-2025-48810

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

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows Server: 2022 10.0.20348.202 - 2025 10.0.26100.4349

Windows: 10 1607 10.0.14393.10 - 11 24H2 10.0.26100.4349

CPE2.3

External links

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

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Processor optimization removal or modification of security-critical code

EUVDB-ID: #VU112585