CVE-2026-88812

HIGH
MEDIUM Priority: 0.01 BB Relevance: 41/100
Published: 2026-10-27 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: High
I: High
A: High

Description

A double free in XKB SetGeometryin X.Org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by attached clients to cause a crash or potentially code in the x server context.

Weakness Classification (1)

Bug Bounty Relevance

41 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

7.8 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.19%
Raw Score 0.001870
Percentile 8.3%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00187
2026-10-28
0.00187

Intelligence Sources

mitre ref →
nvd ref →