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CVE-2022-0995

High CVSS 7.8 Known exploited

Published 2022-03-25 · last changed 2026-08-27 · added to CISA KEV 2026-08-26

This one is being exploited in the wild.

CISA added CVE-2022-0995 to the Known Exploited Vulnerabilities catalog on 2026-08-26. 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-2022-0995, 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

An out-of-bounds (OOB) memory write flaw was found in the Linux kernel’s watch_queue event notification subsystem. This flaw can overwrite parts of the kernel state, potentially allowing a local user to gain privileged access or cause a denial of service on the system.

Sources

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