HIGH 7.8 Microsoft
CVE-2026-84838
Rpm: command injection in rpmuncompress via unescaped filenames passed to popen()
Microsoft Security Update 2026-Sep: Rpm: command injection in rpmuncompress via unescaped filenames passed to popen()
Affected Products
- azl3 rpm 4.18.2-1 on Azure Linux 3.0
- azl3 rpm 4.18.2-2 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-84838
- https://nvd.nist.gov/vuln/detail/CVE-2026-84838
This high severity vulnerability with a CVSS score of 7.8 was published on 2026-09-08 via Microsoft. Affected: azl3 rpm 4.18.2-1 on Azure Linux 3.0, azl3 rpm 4.18.2-2 on Azure Linux 3.0.
vulnfeed aggregates 16268 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.