What is CVE-2026-56000?

CVE-2026-56000 is a security advisory published by Microsoft Security Response Center (MSRC) with Critical severity. xorg-x11-server / xwayland GLX contextTags Use-After-Free in CommonMakeCurrent()

Which CVE IDs does CVE-2026-56000 cover?

CVE-2026-56000 covers the following CVE IDs: CVE-2026-56000. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2026-56000Critical

xorg-x11-server / xwayland GLX contextTags Use-After-Free in CommonMakeCurrent()

Vendor

Microsoft Security Response Center (MSRC)

Published

July 11, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-56000 →