Dashboard / CVE-2026-93515

CVE-2026-93515

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 39/100
Published: 2026-10-28 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
AT: None
VC: None
VI: None
VA: High

Description

A use-after-free in present_clear_window_notifies() in the X.org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by malicious X clients to crash or potentially execute code in the X server context.

Weakness Classification (1)

Affected Software (4)

VendorProductVersion
X.org xorg-x11-server 0 < 21.1.25
X.org xorg-x11-server 0 < 21.1.25
x.org xwayland 0 < 24.1.14
x.org xwayland 0 < 24.1.14

References & Advisories (1)

Bug Bounty Relevance

39 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

6.8 / 10.0 v4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

EPSS — Exploitation Probability

0.19%
Raw Score 0.001940
Percentile 9.1%
Date 2026-10-29

Intelligence Sources

mitre ref →
nvd ref →

External Links