All vulnerabilities
CVE-2022-22047

Microsoft Windows Client Server Runtime Subsystem (CSRSS) Privilege Escalation Vulnerability

Microsoft WindowsOperating systems
CVSS
7.8High
ExploitationExploited in the wildAdded to KEV 12 Jul 2022CISA KEV
Exploit odds (EPSS)18.8%Chance of exploitation activity in the next 30 days, higher than 97% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in10.0.17763.3165Also 10.0.19043.1826, 10.0.20348.825 and 9 moreCVE List
Federal deadline2 Aug 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

  • 10.0.17763.3165Windows 10 Version 1809CVE List
  • 10.0.17763.3165Windows Server 2019CVE List
  • 10.0.17763.3165Windows Server 2019 (Server Core installation)CVE List
  • 10.0.19043.1826Windows 10 Version 21H1CVE List
  • 10.0.20348.825Windows Server 2022CVE List
  • 10.0.19042.1826Windows 10 Version 20H2CVE List
Show all 25 fixed versions
  • 10.0.19042.1826Windows Server version 20H2CVE List
  • 10.0.22000.795Windows 11 version 21H2CVE List
  • 10.0.19044.1826Windows 10 Version 21H2CVE List
  • 10.0.10240.19360Windows 10 Version 1507CVE List
  • 10.0.14393.5246Windows 10 Version 1607CVE List
  • 10.0.14393.5246Windows Server 2016CVE List
  • 10.0.14393.5246Windows Server 2016 (Server Core installation)CVE List
  • 6.1.7601.26022Windows 7CVE List
  • 6.1.7601.26022Windows 7 Service Pack 1CVE List
  • 6.3.9600.20478Windows 8.1CVE List
  • 6.0.6003.21569Windows Server 2008 Service Pack 2CVE List
  • 6.0.6003.21569Windows Server 2008 Service Pack 2 (Server Core installation)CVE List
  • 6.0.6003.21569Windows Server 2008 Service Pack 2CVE List
  • 6.1.7601.26022Windows Server 2008 R2 Service Pack 1CVE List
  • 6.1.7601.26022Windows Server 2008 R2 Service Pack 1 (Server Core installation)CVE List
  • 6.2.9200.23771Windows Server 2012CVE List
  • 6.2.9200.23771Windows Server 2012 (Server Core installation)CVE List
  • 6.3.9600.20478Windows Server 2012 R2CVE List
  • 6.3.9600.20478Windows Server 2012 R2 (Server Core installation)CVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 12 Jul 2022Added to CISA KEVCISA KEV
  2. 12 Jul 2022, 22:37 UTCPublishedCVE List

Description

Microsoft Windows CSRSS contains an unspecified vulnerability that allows for privilege escalation to SYSTEM privileges.

Text from CVE List

Affected versions 26

  • Windows 10 Version 1809affected: 10.0.17763.0 before 10.0.17763.3165CVE List
  • Windows 10 Version 1809affected: 10.0.0 before 10.0.17763.3165CVE List
  • Windows Server 2019affected: 10.0.17763.0 before 10.0.17763.3165CVE List
  • Windows Server 2019 (Server Core installation)affected: 10.0.17763.0 before 10.0.17763.3165CVE List
  • Windows 10 Version 21H1affected: 10.0.0 before 10.0.19043.1826CVE List
  • Windows Server 2022affected: 10.0.20348.0 before 10.0.20348.825CVE List
  • Windows 10 Version 20H2affected: 10.0.0 before 10.0.19042.1826CVE List
  • Windows Server version 20H2affected: 10.0.0 before 10.0.19042.1826CVE List
  • Windows 11 version 21H2affected: 10.0.0 before 10.0.22000.795CVE List
  • Windows 10 Version 21H2affected: 10.0.19043.0 before 10.0.19044.1826CVE List
  • Windows 10 Version 1507affected: 10.0.10240.0 before 10.0.10240.19360CVE List
  • Windows 10 Version 1607affected: 10.0.14393.0 before 10.0.14393.5246CVE List
  • Windows Server 2016affected: 10.0.14393.0 before 10.0.14393.5246CVE List
  • Windows Server 2016 (Server Core installation)affected: 10.0.14393.0 before 10.0.14393.5246CVE List
  • Windows 7affected: 6.1.0 before 6.1.7601.26022CVE List
  • Windows 7 Service Pack 1affected: 6.1.0 before 6.1.7601.26022CVE List
  • Windows 8.1affected: 6.3.0 before 6.3.9600.20478CVE List
  • Windows Server 2008 Service Pack 2affected: 6.0.6003.0 before 6.0.6003.21569CVE List
  • Windows Server 2008 Service Pack 2 (Server Core installation)affected: 6.0.6003.0 before 6.0.6003.21569CVE List
  • Windows Server 2008 Service Pack 2affected: 6.0.6003.0 before 6.0.6003.21569CVE List
  • Windows Server 2008 R2 Service Pack 1affected: 6.1.7601.0 before 6.1.7601.26022CVE List
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation)affected: 6.1.7601.0 before 6.1.7601.26022CVE List
  • Windows Server 2012affected: 6.2.9200.0 before 6.2.9200.23771CVE List
  • Windows Server 2012 (Server Core installation)affected: 6.2.9200.0 before 6.2.9200.23771CVE List
  • Windows Server 2012 R2affected: 6.3.9600.0 before 6.3.9600.20478CVE List
  • Windows Server 2012 R2 (Server Core installation)affected: 6.3.9600.0 before 6.3.9600.20478CVE List

References 3