CVE-2026-28810: Predictable DNS Transaction IDs Enable Cache Poisoning in Built-in Resolver

Overview

Severity
N/A
Exploit Status
Not Exploited
Patch Tuesday
2026-Apr
Released
2026-04-11
EPSS Score
0.27% (percentile: 18.3%)

Affected Products (2)

Open Source Software

  • cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0
  • azl3 kernel 6.6.130.1-3 on Azure Linux 3.0

Revision History

  • 2026-04-11: Information published.