CVE-2025-21340— Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability

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Affected

Microsoft Windows 10 Version 1809

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Windows Virtualization-Based Security Enclave（Microsoft Windows VBS Enclave）是美国微软（Microsoft）公司的一种主机应用程序地址空间内基于软件的受信任执行环境。 Microsoft Windows Virtualization-Based Security Enclave存在访问控制错误漏洞。攻击者利用该漏洞可以绕过某些功能。以下产品和版本受到影响：Windows 10 Version 1809 for

CVE-2025-21340 affects Microsoft Windows 10 Version 1809. No confirmed in-the-wild exploitation; assess based on exposure. Microsoft Windows Virtualization-Based Security Enclave（Microsoft Windows VBS Enclave）是美国微软（Microsoft）公司的一种主机应用程序地址空间内基于软件的受信任执行环境。 Microsoft Windows Virtualization-Based Security CVE-2025-21340 vulnerability details, Shenlong CVE Platform, https://cve.imfht.com/detail/CVE-2025-21340

I. Basic Information for CVE-2025-21340

Affected Products

II. Public POCs for CVE-2025-21340

III. Intelligence Information for CVE-2025-21340

Vendor Advisories for CVE-2025-21340 (1)

• CVE-2025-21340 - Security Update Guide - Microsoft - Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability vendor-advisory

• https://www.cve.org/CVERecord?id=CVE-2025-21340

Same Patch Batch · Microsoft · 2025-01-14 · 157 CVEs total

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IV. Related Vulnerabilities

V. Comments for CVE-2025-21340