← CVE catalog

CVE-2022-27518

Critical CVSS 9.8 Known exploited

Published 2022-12-13 · last changed 2026-06-17 · added to CISA KEV 2022-12-13

This one is being exploited in the wild.

CISA added CVE-2022-27518 to the Known Exploited Vulnerabilities catalog on 2022-12-13. Federal agencies are required to remediate it on a deadline. If you have affected machines, this is the class of finding that moves ahead of the rest of the queue.

The fix

We hold no Microsoft remediation data for CVE-2022-27518, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Unauthenticated remote arbitrary code execution

Sources

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H