UNKNOWN Microsoft

CVE-2026-28810

Predictable DNS Transaction IDs Enable Cache Poisoning in Built-in Resolver

Microsoft Security Update 2026-Apr: Predictable DNS Transaction IDs Enable Cache Poisoning in Built-in Resolver

Affected Products

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

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-28810
https://nvd.nist.gov/vuln/detail/CVE-2026-28810

Published: 2026-04-14 · Source: Microsoft · Feed updated: 2026-08-04

This unknown severity vulnerability was published on 2026-04-14 via Microsoft. Affected: cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0, azl3 kernel 6.6.130.1-3 on Azure Linux 3.0.

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