How severe is CVE-2022-41033?

CVE-2022-41033 has a CVSS score of 7.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2022-41033?

Affected package information for CVE-2022-41033 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2022-41033?

No fixed version has been published for CVE-2022-41033 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2022-41033 actively exploited in the wild?

Yes. There are 3 known exploit references for CVE-2022-41033, including 3 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2022-41033?

CVE-2022-41033 has an EPSS (Exploit Prediction Scoring System) score of 1.7%, placing it in the 83th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

Is CVE-2022-41033 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2022-41033 (Microsoft Windows COM+ Event System Service Privilege Escalation Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2022-10-11. CISA required all US federal civilian agencies to remediate this vulnerability by 2022-11-01. The required action was: Apply updates per vendor instructions. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2022-41033?

CVE-2022-41033 is classified as CWE-843 (CWE-843). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2022-41033?

CVE-2022-41033 affects microsoft windows 7; microsoft windows 8.1; microsoft windows 10 20h2; microsoft windows 10 21h1, and 12 more product(s). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2022-41033 published, and has it been updated?

CVE-2022-41033 was published on October 11, 2022 and was last updated on January 13, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2022-10-11 — agencies required to remediate by 2022-11-01

CVE-2022-41033

HIGH

Windows COM+ Event System Service Elevation of Privilege Vulnerability

Published

Oct 11, 2022

Updated

Jan 13, 2026

Affected

0 pkgs

Patched

None yet

Exploits

3 known

EPSS Exploitation Probability

via FIRST.org ↗

1.7%probability of exploitation in next 30 days

Lower Risk83th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

Windows COM+ Event System Service Elevation of Privilege Vulnerability

Affected Products

16 products · 18 configurations

windows 7microsoft

all

windows 8.1microsoft

all

windows 10 20h2microsoft

< 10.0.19042.2130

range

windows 10 21h1microsoft

< 10.0.19043.2130

range

windows 10 21h2microsoft

< 10.0.19044.2130

range

windows 10 1507microsoft

< 10.0.10240.19507

range

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Windows COM+ Event System Service Elevation of Privilege Vulnerability

portal.msrc.microsoft.comMSOct 2022

Windows COM+ Event System Service Elevation of Privilege Vulnerability

cisa.govCISAOct 2022

Windows COM+ Event System Service Elevation of Privilege Vulnerability

msrc.microsoft.comGoogle-sheetOct 2022

Frequently Asked Questions

Windows COM+ Event System Service Elevation of Privilege Vulnerability

O3 Security · Impact-Aware SCA

Is CVE-2022-41033 in your stack?

O3 detects CVE-2022-41033 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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