What is CVE-2026-42507?

CVE-2026-42507 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Arbitrary inputs are included in errors without any escaping in net/textproto

Which CVE IDs does CVE-2026-42507 cover?

CVE-2026-42507 covers the following CVE IDs: CVE-2026-42507. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-42507?

CVE-2026-42507 has a CVSS v3 base score of 5.3, published by Microsoft Security Response Center (MSRC).

CVE-2026-42507MediumCVSS 5.3

Arbitrary inputs are included in errors without any escaping in net/textproto

Vendor

Microsoft Security Response Center (MSRC)

Published

June 9, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-42507 →