SB2024041053 - Multiple vulnerabilities in Microsoft Windows Update Stack

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Sensitive Data Storage in Improperly Locked Memory (CVE-ID: CVE-2024-26236)

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 Update Stack. A local user can cause a race condition and gain elevated privileges.

2) Missing Authentication for Critical Function (CVE-ID: CVE-2024-26235)

The vulnerability allows a local user to bypass authentication process.

The vulnerability exists due to a missing authentication check in Windows Update Stack. A local user can overwrite arbitrary files and gain elevated prvileges.

Remediation

Install update from vendor's website.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26236
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26235