Heap-based buffer overflow 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 Server 2022, version 21H2 (KB5066782)2025-10 Cumulative Update for Microsoft Windows Server 2019, version 1809 (KB5066586)2025-10 Cumulative Update for Microsoft Windows 11, version 23H2 (KB5066793)2025-10 Cumulative Update for Microsoft Windows 10, version 1507 (KB5066837)2025-10 Cumulative Update for Microsoft Windows 11, version 24H2 (KB5066835)2025-10 Cumulative Update for Microsoft Windows Server 2025, version 24H2 (KB5066835)2025-10 Cumulative Update for Microsoft Windows 10, version 22H2 (KB5066791)2025-10 Cumulative Update for Microsoft Windows Server 2012 (KB5066875)2025-10 Cumulative Update for Microsoft Windows Server 2008 R2, version SP1 (KB5066876)2025-10 Cumulative Update for Microsoft Windows 10, version 21H2 (KB5066791)2025-10 Cumulative Update for Microsoft Windows 11, version 22H2 (KB5066793)2025-10 Cumulative Update for Microsoft Windows Server 2012 R2 (KB5066873)2025-10 Cumulative Update for Microsoft Windows 10, version 1809 (KB5066586)2025-10 Cumulative Update for Microsoft Windows 10, version 1607 (KB5066836)2025-10 Cumulative Update for Microsoft Windows Server 2022, version 23H2 (KB5066780)2025-10 Cumulative Update for Microsoft Windows Server 2022, version 22H2 (KB5066782)2025-10 Cumulative Update for Microsoft Windows Server 2008, version SP2 (KB5066877)2025-10 Cumulative Update for Microsoft Windows 11, version 25H2 (KB5066835)2025-10 Cumulative Update for Microsoft Windows Server 2016, version 1607 (KB5066836) | Oct 14, 2025 | Oct 14, 2025 |
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