HIGH 7.0 Microsoft
CVE-2026-84233
Rpm: command execution via macro expansion in `rpmuncompress -x` for crafted `.gem` filenames
Microsoft Security Update 2026-Sep: Rpm: command execution via macro expansion in `rpmuncompress -x` for crafted `.gem` filenames
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-2026-84233
- https://nvd.nist.gov/vuln/detail/CVE-2026-84233
This high severity vulnerability with a CVSS score of 7.0 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.
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