Is CVE-2026-93516 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-93516?

CVE-2026-93516 has a CVSS v3 severity of MEDIUM (5.5).

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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.