Windows 10 · 2016 · Release · Security update (Patch Tuesday)
September 8, 2026—KB5123099 (OS Build 14393.9512)
- Release
- Cumulative update
- KB5123099 — Microsoft's article, opens in a new tab
Known issues — reported on the forum
In the news
- Coverage CVE-2026-69620: Windows DHCP Server Remote Code Execution Vulnerability
- Coverage CVE-2026-77886: Windows DHCP Server Denial of Service Vulnerability
- Issue Windows 11 KB5124008 Breaks File History Backups, No Fix Yet
- Coverage CVE-2026-69405: Windows DHCP Server Denial of Service Vulnerability
- Coverage CVE-2026-71336: Windows Work Folder Service Remote Code Execution Vulnerability
- Coverage CVE-2026-69461: Windows NTFS Remote Code Execution Vulnerability
- Coverage CVE-2026-69292: Remote Desktop Gateway Service Elevation of Privilege Vulnerability
- Coverage CVE-2026-68893: Remote Desktop Licensing Service Elevation of Privilege Vulnerability
Discussed on the forum
No member thread names 14393.9512 yet.