Microsoft Windows竞争条件漏洞（CVE-2026-20861）
发布日期：2026-01-13
更新日期：2026-05-09
受影响系统：Microsoft Windows Windows Server 2025 (Server Co
描述：
CVE(CAN) ID:
CVE-2026-20861
Microsoft Windows是美国微软（Microsoft）公司的一套个人设备使用的操作系统。
Microsoft Windows存在竞争条件漏洞，该漏洞源于程序未对输入内容进行正确处理，已认证的本地攻击者可利用该漏洞实现本地权限提升，Windows 10 Version 1809 for 32-bit Systems,Windows 10 Version 1809 for x64-based Systems,Windows Server 2019,Windows Server 2019 (Server Core installation),Windows Server 2022,Windows Server 2022 (Server Core installation),Windows 10 Version 21H2 for 32-bit Systems,Windows 10 Version 21H2 for ARM64-based Systems,Windows 10 Version 21H2 for x64-based Systems,Windows 10 Version 22H2 for x64-based Systems,Windows 10 Version 22H2 for ARM64-based Systems,Windows 10 Version 22H2 for 32-bit Systems,Windows Server 2025 (Server Core installation),Windows 11 Version 25H2 for ARM64-based Systems,Windows 11 Version 25H2 for x64-based Systems,Windows 11 Version 23H2 for ARM64-based Systems,Windows 11 Version 23H2 for x64-based Systems,Windows Server 2022, 23H2 Edition (Server Core installation),Windows 11 Version 24H2 for ARM64-based Systems,Windows 11 Version 24H2 for x64-based Systems,Windows Server 2025。
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建议：
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：
http://technet.microsoft.com/security/bulletin/浏览次数：48
严重程度：0（网友投票）
