Windows Defender Credential Guard Update and Revisions (August 9, and 15, 2022)

Update[German]Microsoft also patched Windows Defender Credential Guard on patchday, August 9, 2022, with the security updates. Both an elevation of privilege vulnerability and a security feature bypass vulnerability were closed. However, Microsoft had not provided any documentation on this.


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This has now been corrected in a Microsoft Security Update revision notice. Here are the relevant information about that vulnerabilities.

******************************************
Title: Microsoft Security Update Revisions
Issued: August 15, 2022
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Summary
=======

The following CVEs have undergone a revision increment.
=========================================

* CVE-2022-34711
* CVE-2022-35822


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CVE-2022-34711 | Windows Defender Credential Guard Elevation of Privilege
   Vulnerability
– Version: 1.0
– Reason for Revision: Information published. This CVE was addressed by updates that
   were released in August 2022, but the CVE was inadvertently omitted from the
   August 2022 Security Updates. This is an informational change only. Customers
   who have already installed the August 2022 update do not need to take any further
   action.
– Originally posted: August 15, 2022
– Updated: N/A
– Aggregate CVE Severity Rating: Important

CVE-2022-35822 | Windows Defender Credential Guard Security Feature Bypass
   Vulnerability
– Version: 1.0
– Reason for Revision: Information published. This CVE was addressed by updates that
   were released in August 2022, but the CVE was inadvertently omitted from the
   August 2022 Security Updates. This is an informational change only. Customers
   who have already installed the August 2022 update do not need to take any further
   action.
– Originally posted: August 15, 2022
– Updated: N/A
– Aggregate CVE Severity Rating: Important

The patches are included in Windows 10/11 and its server counterparts as of August 9, 2022.


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