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CVE-2022-2586

Medium CVSS 5.3 Known exploited

Published 2024-01-08 · last changed 2026-08-20 · added to CISA KEV 2024-06-26

This one is being exploited in the wild.

CISA added CVE-2022-2586 to the Known Exploited Vulnerabilities catalog on 2024-06-26. 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-2022-2586, 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

It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.

Sources

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