MEDIUMCVSS v4 6.8Vulnerability

CVE-2026-93515

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.

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-28T15:40:15.054286+00:00
Cvss severity
MEDIUM
Cvss score
6.8
Retrieved at
2026-10-28T15:41:17+00:00
Score
6.8
Cvss version
4.0
Last source
NVD
Cve id
CVE-2026-93515
Cvss vector
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
First seen by Signal
2026-10-28T15:41:17+00:00
Vector
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published at
2026-10-28T13:17:29.083
Last modified
2026-10-28T14:07:11.677

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]Use After Free

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CVE-2026-93515 (CVSS v4 6.8) — Ninja Signal Threat Intelligence | Ninja Signal