ZDI-26-760: X.Org Server Present Extension Use-After-Free Information Disclosure Vulnerability
This vulnerability allows local attackers to disclose sensitive information 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 5.5. The following CVEs are assigned: CVE-2026-93515.
Affected Software
Event History
Frequently Asked Questions
Who is exposed to this issue?
Affected X.Org Server installations are exposed to local attackers who can run low-privileged code on the system. The issue is an information disclosure vulnerability rather than a remote-access vulnerability based on the available information.
What access does an attacker need to exploit it?
An attacker must first be able to execute code with low privileges on the target system. No additional prerequisites or required configuration conditions are provided.
What identifier should be used to track this vulnerability?
Track this issue as CVE-2026-93515. The associated advisory identifier is ZDI-26-760.