What is CVE-2026-7598?

CVE-2026-7598 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. libssh2 userauth.c userauth_password integer overflow

Which CVE IDs does CVE-2026-7598 cover?

CVE-2026-7598 covers the following CVE IDs: CVE-2026-7598. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-7598?

CVE-2026-7598 has a CVSS v3 base score of 7.3, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-7598?

CVE-2026-7598 affects 3 products, including: azl3 libssh2 1.11.1-1 on Azure Linux 3.0; azl3 libssh2 1.11.1-2 on Azure Linux 3.0; azl3 rust 1.96.1-1 on Azure Linux 3.0.

CVE-2026-7598MediumCVSS 7.3

libssh2 userauth.c userauth_password integer overflow

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-7598 →

🎯 Affected products3

azl3 libssh2 1.11.1-1 on Azure Linux 3.0
azl3 libssh2 1.11.1-2 on Azure Linux 3.0
azl3 rust 1.96.1-1 on Azure Linux 3.0

✅ Remediation

Security Update — fixed build 1.96.1-2 KBCBL-Mariner Releases (Security Update) — fixed build 1.11.1-2

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-7598
patchhttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade