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CVE Watch5 ago 2026

CVE-2026-50263

A use-after-free flaw was found in the X.Org X server and Xwayland in CreateSaverWindow(). A client can trigger a use-after-free read after

CVSS

5.5

Medio

EPSS

0.1%

p4

KEV

—

Exploit Today

1

0-100

Publicado: 5 jun 2026 · Última mod.: 5 ago 2026 · CWE-416

EPSS · 30d
0.1%EPSS · 30 días0.1%
2026-08-052026-09-02
Descripción técnica

A use-after-free flaw was found in the X.Org X server and Xwayland in CreateSaverWindow(). A client can trigger a use-after-free read after changing window attributes and forcing the screen saver, leading to information disclosure.

Referencias oficiales
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