SB2025040895 - Multiple vulnerabilities in Microsoft Windows Kernel

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Untrusted Pointer Dereference (CVE-ID: CVE-2025-27739)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to untrusted pointer dereference in Windows Kernel. A local user can run a specially crafted application and gain elevated privileges on the target system.

2) Sensitive Data Storage in Improperly Locked Memory (CVE-ID: CVE-2025-26648)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to sensitive data storage in improperly locked memory in Windows Kernel. A local user can gain elevated privileges on the target system.

Remediation

Install update from vendor's website.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27739
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26648