Integer overflow in Microsoft Windows 10 Version 1607
CVE-2026-69846
Integer overflow or wraparound in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
Vulnerability class: Integer Overflow
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Microsoft Windows 10 Version 1607
- Microsoft Windows 10 Version 1809
- Microsoft Windows 10 Version 21h2
- Microsoft Windows 10 Version 22h2
- Microsoft Windows 11 Version 23h2
- Microsoft Windows 11 Version 24h2
- Microsoft Windows 11 Version 25h2
- Microsoft Windows 11 Version 26h1
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core Installation)
Weakness classification (CWE)
References
- secure@microsoft.com (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-69846?
- CVE-2026-69846 is a high-severity vulnerability in Microsoft Windows 10 Version 1607, classified under Integer Overflow or Wraparound. CVSS score: 8.2/10. Published 2026-09-08.
- How severe is CVE-2026-69846?
- High severity. CVSS v3 base score is 8.2 out of 10.