What is CVE-2026-16729?

CVE-2026-16729 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. undici vulnerable to cookie attribute injection via unsanitized domain and unparsed setCookie fields

Which CVE IDs does CVE-2026-16729 cover?

CVE-2026-16729 covers the following CVE IDs: CVE-2026-16729. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-16729?

CVE-2026-16729 has a CVSS v3 base score of 4.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-16729?

CVE-2026-16729 affects 3 products, including: azl3 nodejs 24.18.1-1 on Azure Linux 3.0; azl3 nodejs 24.20.0-1 on Azure Linux 3.0; azl3 nodejs 24.21.0-1 on Azure Linux 3.0.

CVE-2026-16729MediumCVSS 4.8

undici vulnerable to cookie attribute injection via unsanitized domain and unparsed setCookie fields

Vendor

Microsoft Security Response Center (MSRC)

Published

August 7, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-16729 →

🎯 Affected products3

azl3 nodejs 24.18.1-1 on Azure Linux 3.0
azl3 nodejs 24.20.0-1 on Azure Linux 3.0
azl3 nodejs 24.21.0-1 on Azure Linux 3.0

✅ Remediation

Security Update KBRelease Notes (Security Update) — fixed build 24.22.0-1

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-16729
patchhttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade