What is CVE-2026-42508?

CVE-2026-42508 is a security advisory published by Microsoft Security Response Center (MSRC) with Critical severity. Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts

Which CVE IDs does CVE-2026-42508 cover?

CVE-2026-42508 covers the following CVE IDs: CVE-2026-42508. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-42508?

CVE-2026-42508 has a CVSS v3 base score of 9.1, published by Microsoft Security Response Center (MSRC).

CVE-2026-42508CriticalCVSS 9.1

Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts

Vendor

Microsoft Security Response Center (MSRC)

Published

May 28, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-42508 →