Microsoft Windows Cloud Files Mini Filter Driver非可信指针解引用漏洞（CVE-2026-20857）
发布日期：2026-01-13
更新日期：2026-05-09
受影响系统：Microsoft Windows Cloud Files Mini Filter Driver
描述：
CVE(CAN) ID:
CVE-2026-20857
Microsoft Windows Cloud Files Mini Filter Driver是美国微软（Microsoft）公司的一款云文件过滤器驱动程序。
Microsoft Windows Cloud Files Mini Filter Driver存在非可信指针解引用漏洞，该漏洞源于程序未对用户输入进行正确处理，攻击者利用该漏洞可以提升权限，以下产品和版本受到影响：Windows 11 Version 25H2 for ARM64-based Systems,Windows 11 Version 25H2 for x64-based Systems,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 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：41
严重程度：0（网友投票）
