Double Free in Microsoft Windows 10 Version 1607
CVE-2026-69876
Use after free in Windows DHCP Server allows an authorized attacker to execute code over an adjacent network.
Vulnerability class: Double Free
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows 10 Version 1607
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 R2
- Microsoft Windows Server 2012 R2 (Server Core Installation)
- Microsoft Windows Server 2012 (Server Core Installation)
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core Installation)
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core Installation)
Weakness classification (CWE)
References
- Windows DHCP Server Remote Code Execution Vulnerability (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-69876?
- CVE-2026-69876 is a high-severity vulnerability in Microsoft Windows 10 Version 1607, classified under Double Free. CVSS score: 8.0/10. Published 2026-09-08.
- How severe is CVE-2026-69876?
- High severity. CVSS v3 base score is 8.0 out of 10.