What is CVE-2026-34003?

CVE-2026-34003 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Xorg: xwayland: x.org x server: information exposure and denial of service via out-of-bounds memory access

Which CVE IDs does CVE-2026-34003 cover?

CVE-2026-34003 covers the following CVE IDs: CVE-2026-34003. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-34003?

CVE-2026-34003 has a CVSS v3 base score of 7.1, published by Microsoft Security Response Center (MSRC).

CVE-2026-34003MediumCVSS 7.1

Xorg: xwayland: x.org x server: information exposure and denial of service via out-of-bounds memory access

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-34003 →