CVE-2026-14586

Vendor

Microsoft

Product

dnsmasq / Unbound / PowerDNS

CVSS

5.9

Exposure class

Edge / VPN / firewall

Every item in the archive that references this CVE, highest rank first. Headlines open the publisher.

1. 15
   CVE NVD 22 Jul 2026

   In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, in DNS-over-QUIC environments, with high concurrency and under pressure, an assertion in…

   In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, in DNS-over-QUIC environments, with high concurrency and under pressure, an assertion in libngtcp2 about monotonic timestamps could trigger and result in server termination…

   CVSS 5.9 CVE-2026-14586
2. 14
   Advisory MSRC 23 Jul 2026

   CVE-2026-14586 Assertion in libngtcp2 when under pressure in high concurrency DNS-over-QUIC environments

   Information published.

   CVE-2026-14586 Microsoft