Is CVE-2026-94286 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-94286?

CVE-2026-94286 has a CVSS v3 severity of HIGH (7.1).

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Description

An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by malicious X servers to crash attached X clients.