Is CVE-2026-3104 actively exploited?

No active exploitation of CVE-2026-3104 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-3104 be exploited remotely?

Yes. CVE-2026-3104 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-3104?

CVE-2026-3104 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2026-3104

HIGH

CVE-2026-3104

CWE-772Published: March 25, 2026· Updated: Mar 25, 2026

7.5

CVSS v3.1

Official Description

A specially crafted domain can be used to cause a memory leak in a BIND resolver simply by querying this domain.

This issue affects BIND 9 versions 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, and 9.20.9-S1 through 9.20.20-S1.

BIND 9 versions 9.18.0 through 9.18.46 and 9.18.11-S1 through 9.18.46-S1 are NOT affected.

NVD Source

Technical Analysis

CVE-2026-3104 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.