How severe is CVE-2022-41033?

CVE-2022-41033 has a CVSS 3.1 base score of 7.8 (HIGH). EPSS estimates a 1.9% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2022-41033: Windows COM+ Event System Service Elevation of

CISA Known Exploited Vulnerabilities

Microsoft Windows COM+ Event System Service Privilege Escalation Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2022-10-11

Remediation due

2022-11-01

Required action
Apply updates per vendor instructions.

CISA notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-41033; https://nvd.nist.gov/vuln/detail/CVE-2022-41033

Description

Windows COM+ Event System Service Elevation of Privilege Vulnerability

Severity

CVSS 3.1 · CNA7.8 HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Exploitation Context

as of October 15, 2026

All KEV statistics→

CISA added CVE-2022-41033 to the KEV catalog on the day its CVE record was published.
It is one of 391 Microsoft entries in the CISA KEV catalog, and one of 166 added in 2022.
Its current EPSS score (1.9%) is higher than that of 8% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
Microsoft	Microsoft Windows 10 Version 1809	10.0.17763.0 to <10.0.17763.3532
Microsoft	Microsoft Windows 10 Version 1809	10.0.0 to <10.0.17763.3532
Microsoft	Microsoft Windows Server 2019	10.0.17763.0 to <10.0.17763.3532
Microsoft	Microsoft Windows Server 2019 (Server Core installation)	10.0.17763.0 to <10.0.17763.3532
Microsoft	Microsoft Windows 10 Version 21H1	10.0.0 to <10.0.19043.2130
Microsoft	Microsoft Windows Server 2022	10.0.20348.0 to <10.0.20348.1129
Microsoft	Microsoft Windows 10 Version 20H2	10.0.0 to <10.0.19042.2130
Microsoft	Microsoft Windows 11 version 21H2	10.0.0 to <10.0.22000.1098
Microsoft	Microsoft Windows 10 Version 21H2	10.0.19043.0 to <10.0.19044.2130
Microsoft	Microsoft Windows 11 version 22H2	10.0.22621.0 to <10.0.22621.674
Microsoft	Microsoft Windows 10 Version 1507	10.0.10240.0 to <10.0.10240.19507
Microsoft	Microsoft Windows 10 Version 1607	10.0.14393.0 to <10.0.14393.5427
Microsoft	Microsoft Windows Server 2016	10.0.14393.0 to <10.0.14393.5427
Microsoft	Microsoft Windows Server 2016 (Server Core installation)	10.0.14393.0 to <10.0.14393.5427
Microsoft	Microsoft Windows 7	6.1.0 to <6.1.7601.26174
Microsoft	Microsoft Windows 7 Service Pack 1	6.1.0 to <6.1.7601.26174
Microsoft	Microsoft Windows 8.1	6.3.0 to <6.3.9600.20625
Microsoft	Microsoft Windows Server 2008 Service Pack 2	6.0.6003.0 to <6.0.6003.21721
Microsoft	Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)	6.0.6003.0 to <6.0.6003.21721
Microsoft	Microsoft Windows Server 2008 Service Pack 2	6.0.6003.0 to <6.0.6003.21721
Microsoft	Microsoft Windows Server 2008 R2 Service Pack 1	6.1.7601.0 to <6.1.7601.26174
Microsoft	Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)	6.1.7601.0 to <6.1.7601.26174
Microsoft	Microsoft Windows Server 2012	6.2.9200.0 to <6.2.9200.23920
Microsoft	Microsoft Windows Server 2012 (Server Core installation)	6.2.9200.0 to <6.2.9200.23920
Microsoft	Microsoft Windows Server 2012 R2	6.3.9600.0 to <6.3.9600.20625
Microsoft	Microsoft Windows Server 2012 R2 (Server Core installation)	6.3.9600.0 to <6.3.9600.20625

References

2 Links

Vendor advisories

Windows COM+ Event System Service Elevation of Privilege Vulnerability

Other references

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41033

Record Details

Published

2022-10-11

Last updated

2026-01-12

Assigner (CNA)

microsoft

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.