CVE-2022-41033
Microsoft Windows COM+ Event System Service Privilege Escalation Vulnerability
Microsoft Windows COM+ Event System ServiceOperating systems
CVSS
7.8HighExploit odds (EPSS)1.89%Chance of exploitation activity in the next 30 days, higher than 79% of CVEs. Scored 23 Oct 2026FIRST EPSS
CISA required actionApply updates per vendor instructions. CISA KEV
What fixes it
- 10.0.17763.3532Windows 10 Version 1809CVE List
- 10.0.17763.3532Windows Server 2019CVE List
- 10.0.17763.3532Windows Server 2019 (Server Core installation)CVE List
- 10.0.19043.2130Windows 10 Version 21H1CVE List
- 10.0.20348.1129Windows Server 2022CVE List
- 10.0.19042.2130Windows 10 Version 20H2CVE List
Show all 25 fixed versions
- 10.0.22000.1098Windows 11 version 21H2CVE List
- 10.0.19044.2130Windows 10 Version 21H2CVE List
- 10.0.22621.674Windows 11 version 22H2CVE List
- 10.0.10240.19507Windows 10 Version 1507CVE List
- 10.0.14393.5427Windows 10 Version 1607CVE List
- 10.0.14393.5427Windows Server 2016CVE List
- 10.0.14393.5427Windows Server 2016 (Server Core installation)CVE List
- 6.1.7601.26174Windows 7CVE List
- 6.1.7601.26174Windows 7 Service Pack 1CVE List
- 6.3.9600.20625Windows 8.1CVE List
- 6.0.6003.21721Windows Server 2008 Service Pack 2CVE List
- 6.0.6003.21721Windows Server 2008 Service Pack 2 (Server Core installation)CVE List
- 6.0.6003.21721Windows Server 2008 Service Pack 2CVE List
- 6.1.7601.26174Windows Server 2008 R2 Service Pack 1CVE List
- 6.1.7601.26174Windows Server 2008 R2 Service Pack 1 (Server Core installation)CVE List
- 6.2.9200.23920Windows Server 2012CVE List
- 6.2.9200.23920Windows Server 2012 (Server Core installation)CVE List
- 6.3.9600.20625Windows Server 2012 R2CVE List
- 6.3.9600.20625Windows 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
Description
Microsoft Windows COM+ Event System Service contains an unspecified vulnerability that allows for privilege escalation.
Text from CVE List
Affected versions 26
- Windows 10 Version 1809affected: 10.0.17763.0 before 10.0.17763.3532CVE List
- Windows 10 Version 1809affected: 10.0.0 before 10.0.17763.3532CVE List
- Windows Server 2019affected: 10.0.17763.0 before 10.0.17763.3532CVE List
- Windows Server 2019 (Server Core installation)affected: 10.0.17763.0 before 10.0.17763.3532CVE List
- Windows 10 Version 21H1affected: 10.0.0 before 10.0.19043.2130CVE List
- Windows Server 2022affected: 10.0.20348.0 before 10.0.20348.1129CVE List
- Windows 10 Version 20H2affected: 10.0.0 before 10.0.19042.2130CVE List
- Windows 11 version 21H2affected: 10.0.0 before 10.0.22000.1098CVE List
- Windows 10 Version 21H2affected: 10.0.19043.0 before 10.0.19044.2130CVE List
- Windows 11 version 22H2affected: 10.0.22621.0 before 10.0.22621.674CVE List
- Windows 10 Version 1507affected: 10.0.10240.0 before 10.0.10240.19507CVE List
- Windows 10 Version 1607affected: 10.0.14393.0 before 10.0.14393.5427CVE List
- Windows Server 2016affected: 10.0.14393.0 before 10.0.14393.5427CVE List
- Windows Server 2016 (Server Core installation)affected: 10.0.14393.0 before 10.0.14393.5427CVE List
- Windows 7affected: 6.1.0 before 6.1.7601.26174CVE List
- Windows 7 Service Pack 1affected: 6.1.0 before 6.1.7601.26174CVE List
- Windows 8.1affected: 6.3.0 before 6.3.9600.20625CVE List
- Windows Server 2008 Service Pack 2affected: 6.0.6003.0 before 6.0.6003.21721CVE List
- Windows Server 2008 Service Pack 2 (Server Core installation)affected: 6.0.6003.0 before 6.0.6003.21721CVE List
- Windows Server 2008 Service Pack 2affected: 6.0.6003.0 before 6.0.6003.21721CVE List
- Windows Server 2008 R2 Service Pack 1affected: 6.1.7601.0 before 6.1.7601.26174CVE List
- Windows Server 2008 R2 Service Pack 1 (Server Core installation)affected: 6.1.7601.0 before 6.1.7601.26174CVE List
- Windows Server 2012affected: 6.2.9200.0 before 6.2.9200.23920CVE List
- Windows Server 2012 (Server Core installation)affected: 6.2.9200.0 before 6.2.9200.23920CVE List
- Windows Server 2012 R2affected: 6.3.9600.0 before 6.3.9600.20625CVE List
- Windows Server 2012 R2 (Server Core installation)affected: 6.3.9600.0 before 6.3.9600.20625CVE List
References 5
- msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41033Advisoryvia CVE List
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41033Advisoryvia CVE List
- msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-41033Referencevia CISA KEV
- nvd.nist.gov/vuln/detail/CVE-2022-41033Referencevia CISA KEV
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-41033Referencevia CVE List