Exploited vulnerability · CISA KEV

Is CVE-2022-41033 exploited? Yes: in CISA KEV since 11 Oct 2022

Gociux · Microsoft Windows COM+ Event System Service · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2022-41033, Microsoft Windows COM+ Event System Service Privilege Escalation Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 11 Oct 2022, the day it was published. It affects Microsoft Windows COM+ Event System Service. If you run it, CISA's required action is: Apply updates per vendor instructions.

What it is

Microsoft Windows COM+ Event System Service contains an unspecified vulnerability that allows for privilege escalation.

What to do

1. Check whether you run it. Look for Windows COM+ Event System Service in your asset inventory, including appliances and cloud images. Stack check lists every exploited Microsoft CVE at once.
2. Apply the fix. Apply updates per vendor instructions.
3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 11 Oct 2022.
4. Get told next time. Email alerts when CISA adds a CVE for Microsoft.

References

• msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-41033
• nvd.nist.gov/vuln/detail/CVE-2022-41033

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in October 2022 · Microsoft scorecard · act-now radar.