CVE-2026-93515

.Org Server Present Extension Use-After-Free

MEDIUM
6.8
CVSS Score
Published: October 28, 2026 at 12:39 PM UTC
Updated: October 28, 2026 at 02:07 PM UTC
2 products affected across 1 vendorXwaylandxorg-x11-server

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

6.8MEDIUMsuse
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-416

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