HIGH 8.8 Microsoft
CVE-2025-2486
UEFI Shell accessible in AAVMF with Secure Boot enabled on Ubuntu
Microsoft Security Update 2025-Nov: UEFI Shell accessible in AAVMF with Secure Boot enabled on Ubuntu
Affected Products
- cbl2 edk2 20230301gitf80f052277c8-43 on CBL Mariner 2.0
- azl3 edk2 20240524git3e722403cd16-10 on Azure Linux 3.0
- cbl2 hvloader 1.0.1-14 on CBL Mariner 2.0
- cbl2 qemu 6.2.0-26 on CBL Mariner 2.0
- azl3 qemu 8.2.0-25 on Azure Linux 3.0
- cbl2 edk2 20230301gitf80f052277c8-44 on CBL Mariner 2.0
- cbl2 hvloader 1.0.1-15 on CBL Mariner 2.0
- cbl2 qemu 6.2.0-25 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-2486
- https://nvd.nist.gov/vuln/detail/CVE-2025-2486
This high severity vulnerability with a CVSS score of 8.8 was published on 2025-11-11 via Microsoft. Affected: cbl2 edk2 20230301gitf80f052277c8-43 on CBL Mariner 2.0, azl3 edk2 20240524git3e722403cd16-10 on Azure Linux 3.0, cbl2 hvloader 1.0.1-14 on CBL Mariner 2.0 and 5 more.
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