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Medium 6.8Published Oct 28, 2026

CVE-2026-93515.Org Server Present Extension Use-After-Free

Updated under an hour ago ()

Does this affect you?

It affects X.org xorg-x11-server and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
6.8 MEDIUM (v4.0, CNA)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
Weakness (CWE)
CWE-416
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
suse
NVD analysis
Awaiting Analysis
Record last updated
Oct 28, 2026
First seen by InfoSec Signals
Oct 28, 2026

Affected products

Affected products
X.org xorg-x11-server
x.org:xorg_x11_server (from the name)
before 21.1.25
CNA record
x.org xwayland
x.org:xwayland (from the name)
before 24.1.14
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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