What is CVE-2026-55200?

CVE-2026-55200 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. libssh2 - Out-of-Bounds Write via Unchecked packet_length in transport.c

Which CVE IDs does CVE-2026-55200 cover?

CVE-2026-55200 covers the following CVE IDs: CVE-2026-55200. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-55200?

CVE-2026-55200 has a CVSS v3 base score of 8.1, published by Microsoft Security Response Center (MSRC).

CVE-2026-55200HighCVSS 8.1

libssh2 - Out-of-Bounds Write via Unchecked packet_length in transport.c

Vendor

Microsoft Security Response Center (MSRC)

Published

June 30, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-55200 →