CVE-2025-26594EPSS p31.2%

CVE-2025-26594CVE-2025-26594

tigervnc / tigervnc

Description

A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed memory and causes a use-after-free.

Scoring

CVSS 7.8 ()
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.39% probability of exploitation · percentile 31.2% · 2026-10-05T12:00:23Z
Last modified2026-06-29
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.