MEDIUM 5.4 Microsoft

CVE-2026-6383

Kubevirt: kubevirt: unauthorized subresource access due to improper rbac evaluation

Microsoft Security Update 2026-Aug: Kubevirt: kubevirt: unauthorized subresource access due to improper rbac evaluation

Affected Products

cbl2 kubevirt 0.59.0-38 on CBL Mariner 2.0
azl3 kubevirt 1.7.1-2 on Azure Linux 3.0
azl3 kubevirt 1.7.1-7 on Azure Linux 3.0
azl3 kubevirt 1.7.1-8 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-6383
https://nvd.nist.gov/vuln/detail/CVE-2026-6383

Published: 2026-08-06 · Source: Microsoft · Feed updated: 2026-08-10

This medium severity vulnerability with a CVSS score of 5.4 was published on 2026-08-06 via Microsoft. Affected: cbl2 kubevirt 0.59.0-38 on CBL Mariner 2.0, azl3 kubevirt 1.7.1-2 on Azure Linux 3.0, azl3 kubevirt 1.7.1-7 on Azure Linux 3.0 and 1 more.

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