发布日期：2026-06-11
更新日期：2026-06-11

受影响系统：

Microsoft Windows Windows Server 2025 (Server Co
Microsoft Windows Windows Server 2025
Microsoft Windows Windows Server 2022 (Server Co
Microsoft Windows Windows Server 2022
Microsoft Windows Windows Server 2019 (Server Co
Microsoft Windows Windows Server 2019
Microsoft Windows Windows Server 2016 (Server Co
Microsoft Windows Windows Server 2016
Microsoft Windows Windows Server 2012 R2 (Server
Microsoft Windows Windows Server 2012 R2
Microsoft Windows Windows Server 2012 (Server Co
Microsoft Windows Windows Server 2012
Microsoft Windows Windows 11 version 26H1 for x6
Microsoft Windows Windows 11 Version 26H1 for AR
Microsoft Windows Windows 11 Version 25H2 for x6
Microsoft Windows Windows 11 Version 25H2 for AR
Microsoft Windows Windows 11 Version 24H2 for x6
Microsoft Windows Windows 11 Version 24H2 for AR
Microsoft Windows Windows 11 Version 23H2 for x6
Microsoft Windows Windows 11 Version 23H2 for AR
Microsoft Windows Windows 10 Version 22H2 for x6
Microsoft Windows Windows 10 Version 22H2 for AR
Microsoft Windows Windows 10 Version 22H2 for 32
Microsoft Windows Windows 10 Version 21H2 for x6
Microsoft Windows Windows 10 Version 21H2 for AR
Microsoft Windows Windows 10 Version 21H2 for 32
Microsoft Windows Windows 10 Version 1809 for x6
Microsoft Windows Windows 10 Version 1809 for 32
Microsoft Windows Windows 10 Version 1607 for x6
Microsoft Windows Windows 10 Version 1607 for 32

描述：

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CVE(CAN) ID: CVE-2026-45598

Microsoft Windows Ancillary Function Driver for WinSock是Windows 底层网络驱动组件，为 WinSock 网络套接字提供底层功能支撑，保障网络通信正常运行。
Microsoft Windows Ancillary Function Driver for WinSock多个版本存在权限提升漏洞，攻击者可利用该漏洞提升权限。

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建议：

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厂商补丁：

Microsoft
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目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2026-45598

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