MEDIUM 5.1 Microsoft
CVE-2026-2243
Qemu-kvm: heap buffer out-of-bounds read in vmdk compressed grain parsing
Microsoft Security Update 2026-Feb: Qemu-kvm: heap buffer out-of-bounds read in vmdk compressed grain parsing
Affected Products
- azl3 qemu 8.2.0-27 on Azure Linux 3.0
- cbl2 qemu 6.2.0-26 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-2243
- https://nvd.nist.gov/vuln/detail/CVE-2026-2243
This medium severity vulnerability with a CVSS score of 5.1 was published on 2026-02-10 via Microsoft. Affected: azl3 qemu 8.2.0-27 on Azure Linux 3.0, cbl2 qemu 6.2.0-26 on CBL Mariner 2.0.
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