ZDI-CAN-31832: ZDI-26-761: X.Org Server XInput Passive Grab Use-After-Free Information Disclosure Vulnerability
Published Oct 15, 2026
·Updated
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-2026-93516.
Affected Software
1 affected component
X.Org X.Org Server
Event History
Oct 15, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Frequently Asked Questions
1
Who is exposed to this vulnerability?
Affected X.Org Server installations are exposed to local attackers who can run low-privileged code on the target system. The issue is an information disclosure vulnerability, not a stated remote attack vector.
2
What level of access does an attacker need to exploit it?
The attacker must first be able to execute low-privileged code on the affected system. The provided information does not indicate that elevated privileges are required.