高危 Microsoft Win32k 缓冲区错误漏洞

CVE编号

CVE-2021-40449

利用情况

POC 已公开

补丁情况

官方补丁

披露时间

2021-10-13 00:00:00
漏洞描述
icrosoft Windows是一款由美国微软公司开发的窗口化操作系统。
Microsoft Win32k存在权限提升漏洞。攻击者可利用该漏洞提升权限。
受影响系统:
Microsoft Windows Server 20H2 (Server Core Insta
Microsoft Windows Server 2022 (Server Core insta
Microsoft Windows Server 2022
Microsoft Windows Server 2019 (Server Core Insta
Microsoft Windows Server 2019
Microsoft Windows Server 2016 (Server Core Insta
Microsoft Windows Server 2016
Microsoft Windows Server 2012 R2 (Server Core in
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012 (Server Core insta
Microsoft Windows Server 2012
Microsoft Windows Server 2008 R2 for x64-based S
Microsoft Windows Server 2008 R2 for x64-based S
Microsoft Windows Server 2008 for x64-based Syst
Microsoft Windows Server 2008 for x64-based Syst
Microsoft Windows Server 2008 for 32-bit Systems
Microsoft Windows Server 2008 for 32-bit Systems
Microsoft Windows Server 2004 (Server Core insta
Microsoft Windows RT 8.1
Microsoft Windows 8.1 for x64-based systems
Microsoft Windows 8.1 for 32-bit systems
Microsoft Windows 7 for x64-based Systems SP1
Microsoft Windows 7 for 32-bit Systems SP1
Microsoft Windows 10 for x64-based Systems
Microsoft Windows 10 for 32-bit Systems
Microsoft Windows 10 21H1 for x64-based Systems
Microsoft Windows 10 21H1 for ARM64-based Systems
Microsoft Windows 10 21H1 for 32-bit Systems
Microsoft Windows 10 20H2 for x64-based Systems
Microsoft Windows 10 20H2 for ARM64-based Systems
Microsoft Windows 10 20H2 for 32-bit Systems
Microsoft Windows 10 2004 for x64-based Systems
Microsoft Windows 10 2004 for ARM64-based Systems
Microsoft Windows 10 2004 for 32-bit Systems
Microsoft Windows 10 1909 for x64-based Systems
Microsoft Windows 10 1909 for ARM64-based Systems
Microsoft Windows 10 1909 for 32-bit Systems
Microsoft Windows 10 1809 for x64-based Systems
Microsoft Windows 10 1809 for ARM64-based Systems
Microsoft Windows 10 1809 for 32-bit Systems
Microsoft Windows 10 1607 for x64-based Systems
Microsoft Windows 10 1607 for 32-bit Systems
Microsoft Windows 11 for x64-based Systems
Microsoft Windows 11 for ARM64-based Systems
解决建议
目前厂商已发布升级补丁以修复漏洞,补丁获取链接:
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40449
阿里云评分
7.1
  • 攻击路径
    本地
  • 攻击复杂度
    复杂
  • 权限要求
    无需权限
  • 影响范围
    越权影响
  • EXP成熟度
    POC 已公开
  • 补丁情况
    官方补丁
  • 数据保密性
    数据泄露
  • 数据完整性
    无影响
  • 服务器危害
    无影响
  • 全网数量
    N/A
CWE-ID 漏洞类型
CWE-269 特权管理不恰当
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