ZDI-26-392: X.Org Server Xkb Key Types Stack-based Buffer Overflow Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-50258.

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CZ · EN/orig

X.Org US

CVE v události 1

CVE	hodnocení	KEV	EPSS
CVE-2026-50258	7.8 3.1 · redhat 7.8 3.1 · redhat-SADP	–	0.00

Hodnocení z katalogů, všechna, se stupnicí CVSS a vydavatelem. Rozpad vektoru je na stránce CVE. Advisory v textu uvádí CVSS 7.8.