CVE-2026-62812— Windows DHCP Server Elevation of Privilege Vulnerability
Quick assessment
Affected
Microsoft Windows Server 2012
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 DHCP Server是美国Microsoft公司的一个核心服务,用于自动获取网络配置信息。 Microsoft Windows DHCP Server存在后置链接漏洞，该漏洞源于Windows DHCP Server文件访问前链接解析不当（link following），可能导致已授权攻击者在本地提升权限。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 11
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Windows Server 2012 | 6.2.9200.0< 6.2.9200.26280 |
affected |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0< 6.2.9200.26280 |
affected |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0< 6.3.9600.23338 |
affected |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0< 6.3.9600.23338 |
affected |
| Microsoft | Windows Server 2016 | 10.0.14393.0< 10.0.14393.9418 |
affected |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0< 10.0.14393.9418 |
affected |
| Microsoft | Windows Server 2019 | 10.0.17763.0< 10.0.17763.9121 |
affected |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0< 10.0.17763.9121 |
affected |
| Microsoft | Windows Server 2022 | 10.0.20348.0< 10.0.20348.5499 |
affected |
| Microsoft | Windows Server 2025 | 10.0.26100.0< 10.0.26100.33296 |
affected |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0< 10.0.26100.33296 |
affected |
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I. Basic Information for CVE-2026-62812
Vulnerability Information
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Vulnerability Title
Windows DHCP Server Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows DHCP Server 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows DHCP Server是美国Microsoft公司的一个核心服务,用于自动获取网络配置信息。 Microsoft Windows DHCP Server存在后置链接漏洞，该漏洞源于Windows DHCP Server文件访问前链接解析不当（link following），可能导致已授权攻击者在本地提升权限。
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 Server 2012 | 6.2.9200.0 ~ 6.2.9200.26280 | - |
|
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 ~ 6.2.9200.26280 | - |
|
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 ~ 6.3.9600.23338 | - |
|
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 ~ 6.3.9600.23338 | - |
|
| Microsoft | Windows Server 2016 | 10.0.14393.0 ~ 10.0.14393.9418 | - |
|
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 ~ 10.0.14393.9418 | - |
|
| Microsoft | Windows Server 2019 | 10.0.17763.0 ~ 10.0.17763.9121 | - |
|
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 ~ 10.0.17763.9121 | - |
|
| Microsoft | Windows Server 2022 | 10.0.20348.0 ~ 10.0.20348.5499 | - |
|
| Microsoft | Windows Server 2025 | 10.0.26100.0 ~ 10.0.26100.33296 | - |
|
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 ~ 10.0.26100.33296 | - |
|
II. Public POCs for CVE-2026-62812
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-62812 (1)
Same Patch Batch · Microsoft · 2026-08-11 · 402 CVEs total
| CVE-2026-59124 | 9.8 CRITICAL | Microsoft High Performance Computing (HPC) Pack Remote Code Execution Vulnerability |
| CVE-2026-62878 | 9.8 CRITICAL | Windows DNS Server Remote Code Execution Vulnerability |
| CVE-2026-65791 | 9.8 CRITICAL | Windows iSCSI Target Service Remote Code Execution Vulnerability |
| CVE-2026-62815 | 9.8 CRITICAL | Microsoft QUIC Remote Code Execution Vulnerability |
| CVE-2026-62893 | 9.8 CRITICAL | Windows Deployment Services TFTP Server Remote Code Execution Vulnerability |
| CVE-2026-50516 | 9.4 CRITICAL | Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability |
| CVE-2026-70306 | 9.3 CRITICAL | Microsoft Office SharePoint Spoofing Vulnerability |
| CVE-2026-70337 | 8.8 HIGH | Microsoft PowerShell Remote Code Execution Vulnerability |
| CVE-2026-65660 | 8.8 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2026-65767 | 8.8 HIGH | Microsoft Teams for Android Spoofing Vulnerability |
| CVE-2026-65663 | 8.8 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2026-65658 | 8.8 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2026-70336 | 8.8 HIGH | Visual Studio Code Remote Code Execution Vulnerability |
| CVE-2026-70329 | 8.8 HIGH | Microsoft Outlook Remote Code Execution Vulnerability |
| CVE-2026-62872 | 8.8 HIGH | .NET Framework Elevation of Privilege Vulnerability |
| CVE-2026-70321 | 8.8 HIGH | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2026-62913 | 8.8 HIGH | Microsoft Exchange Server Remote Code Execution Vulnerability |
| CVE-2026-62823 | 8.8 HIGH | Windows DHCP Server Remote Code Execution Vulnerability |
| CVE-2026-69320 | 8.8 HIGH | Visual Studio Code Remote Code Execution Vulnerability |
| CVE-2026-62822 | 8.8 HIGH | Windows GDI+ Remote Code Execution Vulnerability |
Showing top 20 of 402 CVEs. View all on vendor page → →
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V. Comments for CVE-2026-62812
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