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Off-by-one error in 'harden-below-nxdomain' logic can shadow a stub/forward zone by a legitimate parent's NXDOMAIN

🗓️ 23 Jul 2026 08:03:11Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 26 Views

Off-by-one bug in harden below nxdomain logic can shadow a stub or forward zone with a legitimate parent's NXDOMAIN.

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23 Jul 2026 21:42Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.13.7
EPSS0.00241
SSVC
26