Cyber Risks November 10, 2026 · Zero Day Initiative

ZDI-26-902: X.Org Server Xkb Resize KeySyms Integer 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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Topics

Vulnerabilities & Patching

Mentions

CVE-2026-50258

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