MEDIUM 5.3 Microsoft
CVE-2025-64436
KubeVirt Excessive Role Permissions Could Enable Unauthorized VMI Migrations Between Nodes
Microsoft Security Update 2026-Aug: KubeVirt Excessive Role Permissions Could Enable Unauthorized VMI Migrations Between Nodes
Affected Products
- cbl2 kubevirt 0.59.0-30 on CBL Mariner 2.0
- cbl2 kubevirt 0.59.0-31 on CBL Mariner 2.0
- azl3 kubevirt 1.5.3-2 on Azure Linux 3.0
- cbl2 kubevirt 0.59.0-35 on CBL Mariner 2.0
- cbl2 kubevirt 0.59.0-38 on CBL Mariner 2.0
- cbl2 kubevirt 0.59.0-38
- azl3 kubevirt 1.5.0-5 on Azure Linux 3.0
- cbl2 kubevirt 0.59.0-33 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-64436
- https://nvd.nist.gov/vuln/detail/CVE-2025-64436
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-08-06 via Microsoft. Affected: cbl2 kubevirt 0.59.0-30 on CBL Mariner 2.0, cbl2 kubevirt 0.59.0-31 on CBL Mariner 2.0, azl3 kubevirt 1.5.3-2 on Azure Linux 3.0 and 5 more.
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