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CVE-2025-49666— Windows Server Setup and Boot Event Collection Remote Code Execution Vulnerability

CVSS 7.2 · High EPSS 1.72% · P83
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I. Basic Information for CVE-2025-49666

Vulnerability Information
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Vulnerability Title
Windows Server Setup and Boot Event Collection Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to execute code over a network.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Windows Kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Kernel是美国微软（Microsoft）公司的Windows操作系统的内核。 Microsoft Windows Kernel存在安全漏洞。攻击者利用该漏洞可以远程执行代码。以下产品和版本受到影响：Windows Server 2019,Windows Server 2019 (Server Core installation),Windows Server 2022,Windows Server 2022 (Server Core installation),Wi
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 Server 2016 10.0.14393.0 ~ 10.0.14393.8246 -
MicrosoftWindows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.8246 -
MicrosoftWindows Server 2019 10.0.17763.0 ~ 10.0.17763.7558 -
MicrosoftWindows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.7558 -
MicrosoftWindows Server 2022 10.0.20348.0 ~ 10.0.20348.3932 -
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.1732 -
MicrosoftWindows Server 2025 10.0.26100.0 ~ 10.0.26100.4652 -
MicrosoftWindows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.4652 -

II. Public POCs for CVE-2025-49666

#POC DescriptionSource LinkShenlong Link
1Nonehttps://github.com/17patmaks/CVE-2025-49666-Sigma-RulePOC Details
2Sigma Rule for CVE-2025-49666https://github.com/17patmaks/My-Sigma-Rule-CollectionPOC Details
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III. Intelligence Information for CVE-2025-49666

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Same Patch Batch · Microsoft · 2025-07-08 · 129 CVEs total

CVE-2025-479819.8 CRITICALSPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerabilit
CVE-2025-488178.8 HIGHRemote Desktop Client Remote Code Execution Vulnerability
CVE-2025-497238.8 HIGHWindows StateRepository API Server file Tampering Vulnerability
CVE-2025-497018.8 HIGHMicrosoft SharePoint Remote Code Execution Vulnerability
CVE-2025-496888.8 HIGHWindows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-496878.8 HIGHWindows Input Method Editor (IME) Elevation of Privilege Vulnerability
CVE-2025-497048.8 HIGHMicrosoft SharePoint Remote Code Execution Vulnerability
CVE-2025-496738.8 HIGHWindows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-496768.8 HIGHWindows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-496748.8 HIGHWindows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-496728.8 HIGHWindows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-496698.8 HIGHWindows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-488248.8 HIGHWindows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-496578.8 HIGHWindows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-497398.8 HIGHVisual Studio Elevation of Privilege Vulnerability
CVE-2025-497408.8 HIGHWindows SmartScreen Security Feature Bypass Vulnerability
CVE-2025-479988.8 HIGHWindows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-496638.8 HIGHWindows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-479868.8 HIGHUniversal Print Management Service Elevation of Privilege Vulnerability
CVE-2025-497248.8 HIGHWindows Connected Devices Platform Service Remote Code Execution Vulnerability

Showing top 20 of 129 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows Server 2016
Same vendor: Microsoft
Same weakness: CWE-122

V. Comments for CVE-2025-49666

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