Microsoft Windows COM+ Event System Service Privilege Escalation Vulnerability

HIGH 7.8EXPLOITED (CISA KEV)CVE-2022-41033 · Published 11/10/2022 · updated 17/06/2026

Microsoft Windows COM+ Event System Service Privilege Escalation Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 11/10/2022. Patch affected systems as an emergency.

In short

CVE-2022-41033 is a HIGH (CVSS 7.8) vulnerability.
Exploited in the wild: CISA added it to the KEV catalog on 11/10/2022.
Chance of exploitation in the next 30 days (EPSS): 1.9%, higher than 79.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
Windows COM+ Event System Service Microsoft	Versions not published yet (product named by CISA KEV)

Description

Windows COM+ Event System Service Elevation of Privilege Vulnerability

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41033 · Patch
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41033 · Patch
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2022-41033

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