← CVE catalog

CVE-2022-22587

Critical CVSS 9.8 Known exploited

Published 2022-03-18 · last changed 2026-06-17 · added to CISA KEV 2022-01-28

This one is being exploited in the wild.

CISA added CVE-2022-22587 to the Known Exploited Vulnerabilities catalog on 2022-01-28. 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-2022-22587, 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

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 15.3 and iPadOS 15.3, macOS Big Sur 11.6.3, macOS Monterey 12.2. A malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..

Sources

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