CVE-2026-49169

HIGH

Windows DNS Server Remote Code Execution Vulnerability

Title source: cna
STIX 2.1

Description

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

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Windows DNS Server Remote Code Execution Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49169

Scores

CVSS v3 8.0
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Details

CWE
CWE-416
Status published
Products (2)
Microsoft/Windows Server 2025 10.0.26100.0 - 10.0.26100.33158
Microsoft/Windows Server 2025 (Server Core installation) 10.0.26100.0 - 10.0.26100.33158
Published Jul 14, 2026
Tracked Since Jul 14, 2026