CRITICAL 10.0 Microsoft
CVE-2026-42960
Possible cache poisoning via promiscuous records for the authority section
Microsoft Security Update 2026-May: Possible cache poisoning via promiscuous records for the authority section
Affected Products
- azl3 unbound 1.19.1-5 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42960
- https://nvd.nist.gov/vuln/detail/CVE-2026-42960
This critical severity vulnerability with a CVSS score of 10.0 was published on 2026-05-12 via Microsoft. Affected: azl3 unbound 1.19.1-5 on Azure Linux 3.0.
Risk Timeline
CVE Disclosed2026-05-12 · 174 days ago
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42960NVD / MITRE
nvd.nist.gov/vuln/detail/CVE-2026-42960Related Vulnerabilities
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