SB2025040863 - Privilege escalation in Microsoft Windows Update Stack
Published: April 8, 2025
Security Bulletin ID
SB2025040863
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Sensitive Data Storage in Improperly Locked Memory (CVE-ID: CVE-2025-27475)
CWE-ID: CWE-591 - Sensitive Data Storage in Improperly Locked Memory
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
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 win a race condition and gain elevated privileges on the target system.
Remediation
Install update from vendor's website.