What is CVE-2026-55960?

CVE-2026-55960 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Un-negotiated Raw Public Key (RFC 7250) accepted in place of X.509, bypassing chain validation

Which CVE IDs does CVE-2026-55960 cover?

CVE-2026-55960 covers the following CVE IDs: CVE-2026-55960. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-55960?

CVE-2026-55960 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-55960HighCVSS 7.5

Un-negotiated Raw Public Key (RFC 7250) accepted in place of X.509, bypassing chain validation

Vendor

Microsoft Security Response Center (MSRC)

Published

July 1, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-55960 →