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CVE-2017-0222

High CVSS 8.8 Known exploited

Published 2017-05-12 · last changed 2026-06-17 · added to CISA KEV 2022-02-25

This one is being exploited in the wild.

CISA added CVE-2017-0222 to the Known Exploited Vulnerabilities catalog on 2022-02-25. 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-2017-0222, 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 remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This CVE ID is unique from CVE-2017-0226.

Sources

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