SB2022081548 - Multiple vulnerabilities in Microsoft Windows Defender Credential Guard



SB2022081548 - Multiple vulnerabilities in Microsoft Windows Defender Credential Guard

Published: August 15, 2022

Security Bulletin ID SB2022081548
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Security features bypass (CVE-ID: CVE-2022-35822)

The vulnerability allows a local user to bypass implemented security restrictions.

the vulnerability exists due to unspecified error in Windows Defender Credential Guard. A local user can bypass Kerberos protection.


2) Buffer overflow (CVE-ID: CVE-2022-34711)

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

The vulnerability exists due to a boundary error in Windows Defender Credential Guard. A local user can trigger memory corruption and execute arbitrary code with SYSTEM privileges.



Remediation

Install update from vendor's website.