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I. Basic Information for CVE-2025-21191
Vulnerability Information
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Vulnerability Title
Windows Local Security Authority (LSA) Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Time-of-check time-of-use (toctou) race condition in Windows Local Security Authority (LSA) allows an authorized attacker to elevate privileges locally.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Local Security Authority Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Local Security Authority Server是美国微软（Microsoft）公司的LSA身份认证服务。 Microsoft Local Security Authority Server存在安全漏洞。以下产品和版本受到影响：Windows Server 2025,Windows Server 2025 (Server Core installation),Windows 10 Version 1809 for 32-bit Systems,Windows 10 Ver
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
MicrosoftWindows 10 Version 1507 10.0.10240.0 ~ 10.0.10240.20978 -
MicrosoftWindows 10 Version 1607 10.0.14393.0 ~ 10.0.14393.7969 -
MicrosoftWindows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.7136 -
MicrosoftWindows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.5737 -
MicrosoftWindows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.5737 -
MicrosoftWindows 11 version 22H2 10.0.22621.0 ~ 10.0.22621.5189 -
MicrosoftWindows 11 version 22H3 10.0.22631.0 ~ 10.0.22631.5189 -
MicrosoftWindows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.5189 -
MicrosoftWindows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.3775 -
MicrosoftWindows Server 2008 R2 Service Pack 1 6.1.7601.0 ~ 6.1.7601.27670 -
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 ~ 6.1.7601.27670 -
MicrosoftWindows Server 2008 Service Pack 2 6.0.6003.0 ~ 6.0.6003.23220 -
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 ~ 6.0.6003.23220 -
MicrosoftWindows Server 2012 6.2.9200.0 ~ 6.2.9200.25423 -
MicrosoftWindows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.25423 -
MicrosoftWindows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.22523 -
MicrosoftWindows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.22523 -
MicrosoftWindows Server 2016 10.0.14393.0 ~ 10.0.14393.7969 -
MicrosoftWindows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.7969 -
MicrosoftWindows Server 2019 10.0.17763.0 ~ 10.0.17763.7136 -
MicrosoftWindows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.7136 -
MicrosoftWindows Server 2022 10.0.20348.0 ~ 10.0.20348.3453 -
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.1551 -
MicrosoftWindows Server 2025 10.0.26100.0 ~ 10.0.26100.3775 -
MicrosoftWindows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.3775 -
II. Public POCs for CVE-2025-21191
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III. Intelligence Information for CVE-2025-21191
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IV. Related Vulnerabilities
Same product: Windows 10 Version 1507
Same vendor: Microsoft
Same weakness: CWE-367
V. Comments for CVE-2025-21191

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