Is CVE-2026-10723 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-10723?

CVE-2026-10723 has a CVSS v3 severity of MEDIUM (6.8).

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CVE-2026-10723

Description

BIND may accept incorrect child-zone NSEC3 records as valid, which could allow an attacker to forge authenticated NXDOMAIN responses. This issue affects BIND 9 versions 9.18.0 through 9.18.50, 9.20.0 through 9.20.24, 9.21.0 through 9.21.23, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.24-S1.