CVE-2026-49181— Windows DHCP Client Elevation of Privilege Vulnerability
Possible ATT&CK Techniques 1AI
T1210 · Exploitation of Remote ServicesAffected Version Matrix 13
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I. Basic Information for CVE-2026-49181
Vulnerability Information
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Vulnerability Title
Windows DHCP Client Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Integer underflow (wrap or wraparound) in Windows DHCP Client allows an unauthorized attacker to elevate privileges over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
整数下溢(超界折返)
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows DHCP Client 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows DHCP Client是美国Microsoft公司的Windows操作系统中负责动态主机配置协议（DHCP）通信的核心网络服务组件。 Microsoft Windows DHCP Client存在数字错误漏洞，该漏洞源于整数下溢（环绕错误），可能导致未经授权的攻击者通过网络提升权限。以下版本受到影响：Windows 10 Version 1607 10.0.14393.0之前版本、Windows 10 Version 1809 10.0.17763.0之前版本、Wind
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 ~ 10.0.14393.9339 | - | |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 ~ 10.0.17763.9020 | - | |
| Microsoft | Windows Server 2012 | 6.2.9200.0 ~ 6.2.9200.26226 | - | |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 ~ 6.2.9200.26226 | - | |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 ~ 6.3.9600.23291 | - | |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 ~ 6.3.9600.23291 | - | |
| Microsoft | Windows Server 2016 | 10.0.14393.0 ~ 10.0.14393.9339 | - | |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 ~ 10.0.14393.9339 | - | |
| Microsoft | Windows Server 2019 | 10.0.17763.0 ~ 10.0.17763.9020 | - | |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 ~ 10.0.17763.9020 | - | |
| Microsoft | Windows Server 2022 | 10.0.20348.0 ~ 10.0.20348.5386 | - | |
| Microsoft | Windows Server 2025 | 10.0.26100.0 ~ 10.0.26100.33158 | - | |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 ~ 10.0.26100.33158 | - |
II. Public POCs for CVE-2026-49181
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-49181 (1)
Same Patch Batch · Microsoft · 2026-07-14 · 570 CVEs total
| CVE-2026-57092 | 9.9 CRITICAL | Microsoft Windows VMSwitch Elevation of Privilege Vulnerability |
| CVE-2026-58644 | 9.8 CRITICAL | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2026-56188 | 9.8 CRITICAL | Windows Server Network driver Remote Code Execution Vulnerability |
| CVE-2026-42990 | 9.8 CRITICAL | SQL Server ODBC driver Elevation of Privilege Vulnerability |
| CVE-2026-55010 | 9.8 CRITICAL | Minecraft Bedrock Dedicated Server Remote Code Execution Vulnerability |
| CVE-2026-56190 | 9.8 CRITICAL | Remote Desktop Protocol Remote Code Execution Vulnerability |
| CVE-2026-50518 | 9.8 CRITICAL | Windows DHCP Server Remote Code Execution Vulnerability |
| CVE-2026-54990 | 9.8 CRITICAL | Remote Desktop Client Remote Code Execution Vulnerability |
| CVE-2026-50447 | 9.8 CRITICAL | Windows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability |
| CVE-2026-49172 | 9.8 CRITICAL | Windows FTP Service Remote Code Execution Vulnerability |
| CVE-2026-50522 | 9.8 CRITICAL | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2026-55944 | 9.8 CRITICAL | Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Co |
| CVE-2026-56159 | 9.8 CRITICAL | DHCP Server Service Remote Code Execution Vulnerability |
| CVE-2026-48561 | 9.6 CRITICAL | Microsoft Edge Copilot Remote Code Execution Vulnerability |
| CVE-2026-50380 | 9.6 CRITICAL | Windows GDI+ Remote Code Execution Vulnerability |
| CVE-2026-55008 | 9.6 CRITICAL | Microsoft Exchange Server Spoofing Vulnerability |
| CVE-2026-49798 | 9.3 CRITICAL | Windows Kernel Elevation of Privilege Vulnerability |
| CVE-2026-55040 | 9.1 CRITICAL | Microsoft SharePoint Server Security Feature Bypass Vulnerability |
| CVE-2026-50444 | 8.8 HIGH | Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability |
| CVE-2026-50474 | 8.8 HIGH | Remote Desktop Client Remote Code Execution Vulnerability |
Showing top 20 of 570 CVEs. View all on vendor page → →
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V. Comments for CVE-2026-49181
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