SB2021081024 - Privilege escalation in Microsoft Windows Recovery Environment Agent
Published: August 10, 2021
Security Bulletin ID
SB2021081024
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 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-26431)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in the Windows Recovery Environment Agent, which leads to security restrictions bypass and privilege escalation.
Remediation
Install update from vendor's website.