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High7.8Microsoft Server

High [CVE-2021-33761] Windows Remote Access Connection Manager Elevation of Privilege Vulnerability

This high-severity Microsoft Server advisory covers CVE-2021-33761 affecting Windows Server 2012 R2 (Server Core installation), Windows Server 2016 (Server Core installation), Windows Server 2019 (Server Core installation).

CVE-2021-33761 Published Jul 14, 2021Updated by vendor Aug 10, 2026
CVE-2021-33761
Affected products & platforms
Microsoft ServerWindows Server
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Summary

Windows Remote Access Connection Manager Elevation of Privilege Vulnerability

Affected products named by the advisory: Windows Server 2012 R2; Windows Server 2012 R2 (Server Core installation); Windows Server 2016; Windows Server 2016 (Server Core installation); and 4 more.

Affected products named by the advisory: Windows Server 2019 (Server Core installation); Windows Server version 2004; Windows Server version 20H2.

Affected versions
  • Windows 10 Version 1507 10.0.10240.0 before 10.0.10240.19003
  • Windows 10 Version 1607 10.0.14393.0 before 10.0.14393.4530
  • Windows 10 Version 1809 10.0.17763.0 before 10.0.17763.2061
  • Windows 10 Version 1809 10.0.0 before 10.0.17763.2061
  • Windows 10 Version 1909 10.0.0 before 10.0.18363.1679
  • Windows 10 Version 2004 10.0.0 before 10.0.19041.1110
  • Windows 10 Version 20H2 10.0.0 before 10.0.19042.1110
  • Windows 10 Version 21H1 10.0.0 before 10.0.19043.1110
  • Windows 8.1 6.3.0 before 6.3.9600.20069
  • Windows Server 2012 R2 6.3.9600.0 before 6.3.9600.20069
  • Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 before 6.3.9600.20069
  • Windows Server 2016 10.0.14393.0 before 10.0.14393.4530

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Fixed versions
  • 10.0.10240.19003
  • 10.0.14393.4530
  • 10.0.17763.2061
  • 10.0.18363.1679
  • 10.0.19041.1110
  • 10.0.19042.1110
  • 10.0.19043.1110
  • 6.3.9600.20069

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Mitigation

Upgrade to a fixed release: 10.0.10240.19003, 10.0.14393.4530, 10.0.17763.2061, 10.0.18363.1679, 10.0.19041.1110, 10.0.19042.1110. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Discussion(0)

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