Auth bypass in Microsoft Windows 10 1607
CVE-2026-69415
Missing authentication for critical function in Windows DHCP Server allows an authorized attacker to elevate privileges over a network.
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows_10_1607
- Microsoft Windows_10_1809
- Microsoft Windows 10 Version 1607
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2012
- Microsoft Windows_server_2012 — versions r2
- Microsoft Windows Server 2012 R2
- Microsoft Windows Server 2012 R2 (Server Core Installation)
- Microsoft Windows Server 2012 (Server Core Installation)
- Microsoft Windows Server 2016
Weakness classification (CWE)
References
- secure@microsoft.com (vendor-advisory, Patch, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-69415?
- CVE-2026-69415 is a medium-severity vulnerability in Microsoft Windows 10 1607, classified under Missing Authentication for Critical Function. CVSS score: 6.8/10. Published 2026-09-08.
- How severe is CVE-2026-69415?
- Medium severity. CVSS v3 base score is 6.8 out of 10.