What is CVE-2026-42789?

CVE-2026-42789 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Non-CA certificate accepted as intermediate issuer in public_key path validation

Which CVE IDs does CVE-2026-42789 cover?

CVE-2026-42789 covers the following CVE IDs: CVE-2026-42789. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2026-42789High

Non-CA certificate accepted as intermediate issuer in public_key path validation

Vendor

Microsoft Security Response Center (MSRC)

Published

June 1, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-42789 →