CVE-2026-88806EPSS p8.8%

CVE-2026-88806CVE-2026-88806

Description

A malicious X server could exploit a buffer overflow in libX11 before 1.8.14 during handling of XkbGetMap overflowing the key_sym_map.

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS0.20% probability of exploitation · percentile 8.8% · 2026-10-05T12:00:23Z
Last modified2026-09-22
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.