CVE-2026-88812

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductMicrosoft Azl3 Xorg-x11-server-xwayland 24.1.13-1
PublishedOct 27, 2026
First seenOct 27, 2026
Weakness typeCWE-415CWE-415

How to fix

Affected products

ProductAffected versionsFixed in
microsoft azl3_xorg-x11-server-xwayland_24.1.13-1No range specified—

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