HIGH 7.8 Microsoft
CVE-2026-95521
Rpm: rpm: shell command injection via macro expansion of source/spec file basenames when installing a source rpm
Microsoft Security Update 2026-Sep: Rpm: rpm: shell command injection via macro expansion of source/spec file basenames when installing a source rpm
Affected Products
- azl3 rpm 4.18.2-2 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-95521
- https://nvd.nist.gov/vuln/detail/CVE-2026-95521
This high severity vulnerability with a CVSS score of 7.8 was published on 2026-09-08 via Microsoft. Affected: azl3 rpm 4.18.2-2 on Azure Linux 3.0.
vulnfeed aggregates 16937 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.