What is CVE-2026-8466?

CVE-2026-8466 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Unbounded buffer accumulation in multipart header parsing causes denial of service in cowboy

Which CVE IDs does CVE-2026-8466 cover?

CVE-2026-8466 covers the following CVE IDs: CVE-2026-8466. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2026-8466High

Unbounded buffer accumulation in multipart header parsing causes denial of service in cowboy

Vendor

Microsoft Security Response Center (MSRC)

Published

May 28, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-8466 →