What is CVE-2026-49169?

CVE-2026-49169 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows DNS Server Remote Code Execution Vulnerability

Which CVE IDs does CVE-2026-49169 cover?

CVE-2026-49169 covers the following CVE IDs: CVE-2026-49169. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-49169?

CVE-2026-49169 has a CVSS v3 base score of 8.0, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-49169?

CVE-2026-49169 affects 2 products, including: Windows Server 2025; Windows Server 2025 (Server Core installation).

CVE-2026-49169HighCVSS 8.0

Windows DNS Server Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

July 17, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-49169 →

📋 Description

Use after free in DNS Server allows an authorized attacker to execute code over a network.

🎯 Affected products2

Windows Server 2025
Windows Server 2025 (Server Core installation)

✅ Remediation

KB5099536 (Security Update) — fixed build 10.0.26100.33158

🔗 References (3)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49169
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5099536
referencehttps://support.microsoft.com/help/5099536