SB2021072105 - Privilege escalation in Microsoft Windows
Published: July 21, 2021 Updated: August 23, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2021-36934)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to overly permissive Access Control Lists (ACLs) on multiple system files, including the Security Accounts Manager (SAM) database. A local user can run arbitrary code with SYSTEM privileges.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.