MSRC-CVE-2022-34709 — Windows Defender Credential Guard Security Feature Bypass Vulnerability

Summary

Impact: Security Feature Bypass. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

What kind of security feature could be bypassed by successfully exploiting this vulnerability?
An attacker who successfully exploited this vulnerability could bypass Kerberos protection used by Defender Credential Guard.

Security updates
10.0.17763.3287 — https://support.microsoft.com/help/5016623
10.0.19043.1889 — https://support.microsoft.com/help/5016616
10.0.20348.887 — https://support.microsoft.com/help/5016627
10.0.22000.856 — https://support.microsoft.com/help/5016629
10.0.10240.19387 — https://support.microsoft.com/help/5016639
10.0.14393.5291 — https://support.microsoft.com/help/5016622

Vulnerabilities 1

Medium 6.0

CVE-2022-34709

Windows Defender Credential Guard Security Feature Bypass Vulnerability

Windows Defender Credential Guard Security Feature Bypass Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Aug 9, 2022

Revision history

2022-08-09 #1
Information published.

References

CVE-2022-34709 Windows Defender Credential Guard Security Feature Bypass Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-34709
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss