MEDIUM 5.5 Microsoft
CVE-2026-64323
udf: validate VAT header length against the VAT inode size
Microsoft Security Update 2026-Jul: udf: validate VAT header length against the VAT inode size
Affected Products
- azl3 kernel 6.6.144.1-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64323
- https://nvd.nist.gov/vuln/detail/CVE-2026-64323
This medium severity vulnerability with a CVSS score of 5.5 was published on 2026-07-14 via Microsoft. Affected: azl3 kernel 6.6.144.1-1 on Azure Linux 3.0.
vulnfeed aggregates 9214 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.