HIGH 7.5 Microsoft
CVE-2026-31704
ksmbd: use check_add_overflow() to prevent u16 DACL size overflow
Microsoft Security Update 2026-May: ksmbd: use check_add_overflow() to prevent u16 DACL size overflow
Affected Products
- azl3 kernel 6.6.134.1-2 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-31704
- https://nvd.nist.gov/vuln/detail/CVE-2026-31704
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-05-12 via Microsoft. Affected: azl3 kernel 6.6.134.1-2 on Azure Linux 3.0.
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