MEDIUM 5.5 Microsoft
CVE-2025-40307
exfat: validate cluster allocation bits of the allocation bitmap
Microsoft Security Update 2025-Dec: exfat: validate cluster allocation bits of the allocation bitmap
Affected Products
- azl3 kernel 6.6.117.1-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-40307
- https://nvd.nist.gov/vuln/detail/CVE-2025-40307
This medium severity vulnerability with a CVSS score of 5.5 was published on 2025-12-09 via Microsoft. Affected: azl3 kernel 6.6.117.1-1 on Azure Linux 3.0.
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