What is CVE-2026-12143?

CVE-2026-12143 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. form-data does not escape CR/LF/quote in multipart field names and filenames (CRLF injection)

Which CVE IDs does CVE-2026-12143 cover?

CVE-2026-12143 covers the following CVE IDs: CVE-2026-12143. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-12143?

CVE-2026-12143 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-12143HighCVSS 7.5

form-data does not escape CR/LF/quote in multipart field names and filenames (CRLF injection)

Vendor

Microsoft Security Response Center (MSRC)

Published

June 19, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-12143 →