What is CVE-2026-2645?

CVE-2026-2645 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Acceptance of CertificateVerify Message before ClientKeyExchange in TLS 1.2

Which CVE IDs does CVE-2026-2645 cover?

CVE-2026-2645 covers the following CVE IDs: CVE-2026-2645. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2026-2645Medium

Acceptance of CertificateVerify Message before ClientKeyExchange in TLS 1.2

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-2645 →