CVE-2026-50263

MEDIUM

5.5CVSS v3

—CVSS v2

0.01% EPSS (exploit probability)

CWE-416CWE

Description

A use-after-free flaw was found in the X.Org X server and Xwayland in CreateSaverWindow(). A client can trigger a use-after-free read after changing window attributes and forcing the screen saver, leading to information disclosure.

CVSS v3 vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected routers (0)

No routers currently mapped to this CVE in our database.

External references

NIST NVD
MITRE CVE