{"identifier":"CVE-2026-93516","cve":{"id":"CVE-2026-93516","description":"A use-after-free caused by lack of lifecycle management when adding / removing XInput master devices in X.org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X Clients to crash the X server or potentially execute code in X server context.","published":"2026-10-28T13:17:29.237000+00:00","modified":"2026-10-28T14:07:11.677000+00:00","status":"Awaiting Analysis","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvss_version":"3.1","affected":[],"weaknesses":["CWE-416"],"references":[{"url":"https://gitlab.freedesktop.org/xorg/xserver/-/commit/be572634158850fff4e9829cee88db08d30c9743","source":"meissner@suse.de"}],"kev":null,"kev_checked":true,"metrics":{"cvssMetricV31":[{"source":"meissner@suse.de","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"configurations":[],"source":"nvd","retrieved_at":"2026-10-28T17:25:06.632949+00:00","exploited":false,"kev_stale":false,"products":[],"priority":{"label":"Assess exposure and vendor guidance","reasons":["No higher-priority signal is available in the current stored evidence."]},"epss":{"probability":0.00192,"percentile":0.08906,"date":"2026-10-29","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"gitlab.freedesktop.org","source_url":"https://gitlab.freedesktop.org/xorg/xserver/-/commit/be572634158850fff4e9829cee88db08d30c9743","investigate_url":"https://investigate.aeglixmind.com/#gitlab.freedesktop.org"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2026-93516","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-93516","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-93516","coverage":{"news_candidates_checked":0,"campaign_candidates_checked":0,"bounded":false,"notice":"Exact CVE mentions in stored public excerpts and reviewed campaign content only. A mention is not proof of exploitation, attribution or tool suitability. Missing matches do not establish absence."}}