CVE-2026-33278: Possible arbitrary code execution during DNSSEC validation
Overview
- Severity
- Critical (CVSS 9.8)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-May
- Released
- 2026-05-21
- EPSS Score
- 0.24% (percentile: 47.7%)
Affected Products (1)
Open Source Software
- azl3 unbound 1.19.1-5 on Azure Linux 3.0
Revision History
- 2026-05-21: Information published.