HIGH 8.8 Microsoft

CVE-2026-66032

libssh2 Double-Free Heap Corruption via sftp_open()

Microsoft Security Update 2026-Jul: libssh2 Double-Free Heap Corruption via sftp_open()

Affected Products

azl3 libssh 0.10.6-8 on Azure Linux 3.0
azl3 libssh2 1.11.1-4 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66032
https://nvd.nist.gov/vuln/detail/CVE-2026-66032

Published: 2026-07-14 · Source: Microsoft · Feed updated: 2026-08-04

This high severity vulnerability with a CVSS score of 8.8 was published on 2026-07-14 via Microsoft. Affected: azl3 libssh 0.10.6-8 on Azure Linux 3.0, azl3 libssh2 1.11.1-4 on Azure Linux 3.0.

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