HIGH 7.3 Microsoft

CVE-2026-7598

libssh2 userauth.c userauth_password integer overflow

Microsoft Security Update 2026-May: libssh2 userauth.c userauth_password integer overflow

Affected Products

cbl2 libssh2 1.9.0-4 on CBL Mariner 2.0
cbl2 nmap 7.93-4 on CBL Mariner 2.0
azl3 nmap 7.95-3 on Azure Linux 3.0
azl3 libssh2 1.11.1-1 on Azure Linux 3.0
azl3 libssh2 1.11.1-2 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-7598
https://nvd.nist.gov/vuln/detail/CVE-2026-7598

Published: 2026-05-12 · Source: Microsoft · Feed updated: 2026-08-04

This high severity vulnerability with a CVSS score of 7.3 was published on 2026-05-12 via Microsoft. Affected: cbl2 libssh2 1.9.0-4 on CBL Mariner 2.0, cbl2 nmap 7.93-4 on CBL Mariner 2.0, azl3 nmap 7.95-3 on Azure Linux 3.0 and 2 more.

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