发布日期：2023-07-11

更新日期：2023-07-12

受影响系统：

Microsoft Microsoft Windows 10 for x64-based Systems

Microsoft Microsoft Windows 10 for 32-bit Systems

Microsoft Microsoft Windows 10 22H2 for x64-based Systems

Microsoft Microsoft Windows 10 22H2 for ARM64-based Systems

Microsoft Microsoft Windows 10 22H2 for 32-bit Systems

Microsoft Microsoft Windows 10 21H2 for x64-based Systems

Microsoft Microsoft Windows 10 21H2 for ARM64-based Systems

Microsoft Microsoft Windows 10 21H2 for 32-bit Systems

Microsoft Microsoft Windows 10 1809 for x64-based Systems

Microsoft Microsoft Windows 10 1809 for ARM64-based Systems

Microsoft Microsoft Windows 10 1809 for 32-bit Systems

Microsoft Microsoft Windows 10 1607 for x64-based Systems

Microsoft Microsoft Windows 10 1607 for 32-bit Systems

Microsoft Microsoft Windows 11 22H2 for x64-based Systems

Microsoft Microsoft Windows 11 22H2 for ARM64-based Systems

Microsoft Microsoft Windows 11 21H2 for x64-based Systems

Microsoft Microsoft Windows 11 21H2 for ARM64-based Systems

Microsoft Microsoft Windows Server 2022(Server Core installation)

Microsoft Microsoft Windows Server 2022

Microsoft Microsoft Windows Server 2019(Server Core installation)

Microsoft Microsoft Windows Server 2019

Microsoft Microsoft Windows Server 2016(Server Core installation)

Microsoft Microsoft Windows Server 2016

描述：

CVE(CAN) ID: CVE-2023-35339

Microsoft Windows CryptoAPI是Microsoft公司提出的安全加密应用服务框架，也是PKI推荐使用的加密API。

Microsoft Windows CryptoAPI存在拒绝服务，攻击者可利用该漏洞导致目标系统停止响应。

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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：

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-35339

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