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CVE-2021-31201

Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability

Published
Last modified
published
Listed in CISA KEV
Fix
Fixed in 10.0.17763.1999, 10.0.18363.1621, 10.0.19043.1052, 10.0.19041.1052, 10.0.19042.1052, and 7 more
None on Exploit-DB, Metasploit or GitHub

Summary

Microsoft Enhanced Cryptographic Provider, a component of Microsoft Windows, is affected by this vulnerability. An attacker who can run code on an affected system could exploit it to gain elevated privileges, such as those of an administrator.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability

Timeline

  1. CVE published
  2. Added to CISA KEV

    CISA has evidence of exploitation in the wild

  3. CISA remediation deadline

    Due date for US federal agencies to patch

  4. Record last updated

Affected versions

  • Microsoft Windows 10 Version 1809

    From 10.0.0 · fixed in 10.0.17763.1999

  • Microsoft Windows Server 2019

    From 10.0.0 · fixed in 10.0.17763.1999

  • Microsoft Windows Server 2019 (Server Core installation)

    From 10.0.0 · fixed in 10.0.17763.1999

  • Microsoft Windows 10 Version 1909

    From 10.0.0 · fixed in 10.0.18363.1621

  • Microsoft Windows 10 Version 21H1

    From 10.0.0 · fixed in 10.0.19043.1052

  • Microsoft Windows 10 Version 2004

    From 10.0.0 · fixed in 10.0.19041.1052

  • Microsoft Windows Server version 2004

    From 10.0.0 · fixed in 10.0.19041.1052

  • Microsoft Windows 10 Version 20H2

    From 10.0.0 · fixed in 10.0.19042.1052

  • Microsoft Windows Server version 20H2

    From 10.0.0 · fixed in 10.0.19042.1052

  • Microsoft Windows 10 Version 1507

    From 10.0.0 · fixed in 10.0.10240.18967

  • Microsoft Windows 10 Version 1607

    From 10.0.0 · fixed in 10.0.14393.4467

  • Microsoft Windows Server 2016

    From 10.0.0 · fixed in 10.0.14393.4467

  • Microsoft Windows Server 2016 (Server Core installation)

    From 10.0.0 · fixed in 10.0.14393.4467

  • Microsoft Windows 7

    From 6.1.0 · fixed in 6.1.7601.25632

  • Microsoft Windows 7 Service Pack 1

    From 6.1.0 · fixed in 6.1.7601.25632

  • Microsoft Windows 8.1

    From 6.3.0 · fixed in 6.3.9600.20045; From 6.3.0 · fixed in 6.3.9600.20044

  • Microsoft Windows Server 2008 Service Pack 2

    From 6.0.0 · fixed in 6.0.6003.21137

  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)

    From 6.0.0 · fixed in 6.0.6003.21137

  • Microsoft Windows Server 2008 Service Pack 2

    From 6.0.0 · fixed in 6.0.6003.21137

  • Microsoft Windows Server 2008 R2 Service Pack 1

    From 6.1.0 · fixed in 6.1.7601.25632

  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)

    From 6.0.0 · fixed in 6.1.7601.25632

  • Microsoft Windows Server 2012

    From 6.2.0 · fixed in 6.2.9200.23372

  • Microsoft Windows Server 2012 (Server Core installation)

    From 6.2.0 · fixed in 6.2.9200.23372

  • Microsoft Windows Server 2012 R2

    From 6.3.0 · fixed in 6.3.9600.20045; From 6.3.0 · fixed in 6.3.9600.20044

  • Microsoft Windows Server 2012 R2 (Server Core installation)

    From 6.3.0 · fixed in 6.3.9600.20045; From 6.3.0 · fixed in 6.3.9600.20044

References 1

portal.msrc.microsoft.com