Microsoft Security Response Center guidance
Release Notes
Vulnerability intelligence
CVE-2026-94282 and is rated Medium severity with a CVSS score of 5.6. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
Release Notes
An out-of-bounds read in libXi's XI2 enter/leave/focus cookie conversion in libXi before 1.8.4 could be used by malicious X server to crash an attached X client.