What is CVE-2026-45447?

CVE-2026-45447 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Heap Use-After-Free in the PKCS7_verify() Function

Which CVE IDs does CVE-2026-45447 cover?

CVE-2026-45447 covers the following CVE IDs: CVE-2026-45447. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-45447?

CVE-2026-45447 has a CVSS v3 base score of 8.8, published by Microsoft Security Response Center (MSRC).

CVE-2026-45447HighCVSS 8.8

Heap Use-After-Free in the PKCS7_verify() Function

Vendor

Microsoft Security Response Center (MSRC)

Published

June 15, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-45447 →