# CVE-2022-41033: Microsoft Windows COM+ Event System Service Privilege Escalation Vulnerability

Source: https://junglewise.ai/threats/cve-2022-41033-microsoft-windows-com-event-system-service-privilege-escalation  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-10-11. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2022-41033 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2022-10-11

A type confusion vulnerability (CWE-843) in the Microsoft Windows COM+ Event System Service allows a local attacker to escalate privileges. The vulnerability has been observed being exploited in the wild.

Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2022-41033 exploited in the wild?** Yes. CVE-2022-41033 is known to be exploited in the wild, first recorded on 11 October 2022. Treat it as urgent.

**How severe is CVE-2022-41033?** Critical severity, with a CVSS score of 7.8, published 11 October 2022.

**Which products and versions are affected?** Microsoft Windows 10 up to (excluding) 10.0.10240.19507; Microsoft Windows 11 up to (excluding) 10.0.22621.674; Microsoft Windows Server 2022 up to (excluding) 10.0.20348.1129; Microsoft Windows 7 SP1; and 5 more.

**Is there a fix for CVE-2022-41033?** A patch was published on 2022-10-11. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2022-41033 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2022-41033?** Check whether you run Microsoft Windows COM+ Event System Service. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Microsoft Windows 10 up to (excluding) 10.0.10240.19507
- Microsoft Windows 11 up to (excluding) 10.0.22621.674
- Microsoft Windows Server 2022 up to (excluding) 10.0.20348.1129
- Microsoft Windows 7 SP1
- Microsoft Windows 8.1
- Microsoft Windows Server 2008
- Microsoft Windows Server 2012
- Microsoft Windows Server 2016
- Microsoft Windows Server 2019

## Timeline

- 2022-10-11: disclosed
- 2022-10-11: patched
- 2022-10-11: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-10-11: exploited: Reported as exploited in the wild at time of publication.