SB2021102914 - Privilege escalation in Microsoft Windows



SB2021102914 - Privilege escalation in Microsoft Windows

Published: October 29, 2021

Security Bulletin ID SB2021102914
Severity
Low
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Security restrictions bypass (CVE-ID: N/A)

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

The vulnerability exists due to Windows User Profile Service does not properly impose security restrictions. A local unprivileged user in possession of credentials from another unprivileged account can run a specially crafted program and execute arbitrary code with SYSTEM privileges.

This vulnerability exists due to incomplete fix for #VU55695 (CVE-2021-34484).


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.