LOW 3.7 Microsoft
CVE-2026-44687
Off-by-one error in 'harden-below-nxdomain' logic can shadow a stub/forward zone by a legitimate parent's NXDOMAIN
Microsoft Security Update 2026-Jul: Off-by-one error in 'harden-below-nxdomain' logic can shadow a stub/forward zone by a legitimate parent's NXDOMAIN
Affected Products
- azl3 unbound 1.25.1-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44687
- https://nvd.nist.gov/vuln/detail/CVE-2026-44687
This low severity vulnerability with a CVSS score of 3.7 was published on 2026-07-14 via Microsoft. Affected: azl3 unbound 1.25.1-1 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.