Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVSS Details
- CVSS 3.1 Base Score: 7
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Microsoft Windows | — | 2026-08 Cumulative Update for Microsoft Windows 10, version 1607 (KB5120418)2026-08 Cumulative Update for Microsoft Windows 10, version 22H2 (KB5120249)2026-08 Cumulative Update for Microsoft Windows Server 2012 (KB5120385)2026-08 Cumulative Update for Microsoft Windows 10, version 1809 (KB5120238)2026-08 Cumulative Update for Microsoft Windows 11, version 25H2 (KB5121003)2026-08 Cumulative Update for Microsoft Windows Server 2012 (KB5120386)2026-08 Cumulative Update for Microsoft Windows Server 2019, version 1809 (KB5120238)2026-08 Cumulative Update for Microsoft Windows Server 2012 R2 (KB5120386)2026-08 Cumulative Update for Microsoft Windows 11, version 24H2 (KB5121003)2026-08 Cumulative Update for Microsoft Windows 11, version 26H1 (KB5121000)2026-08 Cumulative Update for Microsoft Windows 10, version 21H2 (KB5120249)2026-08 Cumulative Update for Microsoft Windows 11, version 23H2 (KB5120240)2026-08 Cumulative Update for Microsoft Windows Server 2025, version 24H2 (KB5120233)2026-08 Cumulative Update for Microsoft Windows Server 2022, version 22H2 (KB5120242)2026-08 Cumulative Update for Microsoft Windows Server 2022, version 21H2 (KB5120242)2026-08 Cumulative Update for Microsoft Windows Server 2012 R2 (KB5120385)2026-08 Cumulative Update for Microsoft Windows Server 2016, version 1607 (KB5120418) | Aug 11, 2026 | Aug 11, 2026 |
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