What is CVE-2026-42766?

CVE-2026-42766 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Possible NULL Dereference in Password-Based CMS Decryption

Which CVE IDs does CVE-2026-42766 cover?

CVE-2026-42766 covers the following CVE IDs: CVE-2026-42766. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-42766?

CVE-2026-42766 has a CVSS v3 base score of 5.9, published by Microsoft Security Response Center (MSRC).

CVE-2026-42766MediumCVSS 5.9

Possible NULL Dereference in Password-Based CMS Decryption

Vendor

Microsoft Security Response Center (MSRC)

Published

June 15, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-42766 →