What is CVE-2026-34001?

CVE-2026-34001 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Xorg: xwayland: x.org x server: use-after-free vulnerability leads to server crash and potential memory corruption

Which CVE IDs does CVE-2026-34001 cover?

CVE-2026-34001 covers the following CVE IDs: CVE-2026-34001. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-34001?

CVE-2026-34001 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

CVE-2026-34001HighCVSS 7.8

Xorg: xwayland: x.org x server: use-after-free vulnerability leads to server crash and potential memory corruption

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-34001 →