Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Microsoft Windows | — | 2025-10 Cumulative Update for Microsoft Windows 10, version 1809 (KB5066586)2025-10 Cumulative Update for Microsoft Windows Server 2019, version 1809 (KB5066586)2025-10 Cumulative Update for Microsoft Windows 10, version 21H2 (KB5066791)2025-10 Cumulative Update for Microsoft Windows Server 2012 R2 (KB5066873)2025-10 Cumulative Update for Microsoft Windows 10, version 1607 (KB5066836)2025-10 Cumulative Update for Microsoft Windows 10, version 1507 (KB5066837)2025-10 Cumulative Update for Microsoft Windows Server 2016, version 1607 (KB5066836)2025-10 Cumulative Update for Microsoft Windows 10, version 22H2 (KB5066791)2025-10 Cumulative Update for Microsoft Windows Server 2022, version 23H2 (KB5066780)2025-10 Cumulative Update for Microsoft Windows 11, version 22H2 (KB5066793)2025-10 Cumulative Update for Microsoft Windows 11, version 25H2 (KB5066835)2025-10 Cumulative Update for Microsoft Windows 11, version 23H2 (KB5066793)2025-10 Cumulative Update for Microsoft Windows Server 2022, version 21H2 (KB5066782)2025-10 Cumulative Update for Microsoft Windows 11, version 24H2 (KB5066835)2025-10 Cumulative Update for Microsoft Windows Server 2012 (KB5066875)2025-10 Cumulative Update for Microsoft Windows Server 2022, version 22H2 (KB5066782)2025-10 Cumulative Update for Microsoft Windows Server 2025, version 24H2 (KB5066835)2025-10 Cumulative Update for Microsoft Windows Server 2008 R2, version SP1 (KB5066876)2025-10 Cumulative Update for Microsoft Windows Server 2008, version SP2 (KB5066877) | Oct 14, 2025 | Oct 14, 2025 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub