What is CVE-2026-28810?

CVE-2026-28810 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Predictable DNS Transaction IDs Enable Cache Poisoning in Built-in Resolver

Which CVE IDs does CVE-2026-28810 cover?

CVE-2026-28810 covers the following CVE IDs: CVE-2026-28810. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-28810?

CVE-2026-28810 affects 3 products, including: azl3 kernel 6.6.130.1-3 on Azure Linux 3.0; azl3 kernel 6.6.157.1-1 on Azure Linux 3.0; cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0.

CVE-2026-28810Medium

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

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-28810 →

🎯 Affected products3

azl3 kernel 6.6.130.1-3 on Azure Linux 3.0
azl3 kernel 6.6.157.1-1 on Azure Linux 3.0
cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0

✅ Remediation

KBRelease Notes (Security Update)

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-28810
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade