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CVE-2026-70250— Windows DHCP Client Remote Code Execution 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.

Windows DHCP 客户端存在使用后释放（Use After Free）漏洞，允许未授权的攻击者在相邻网络上执行代码。

CVSS 8.8 · High EPSS 0.42% · P35

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 11

VendorProduct Version RangeStatus
Microsoft Windows Server 2012 6.2.9200.0< 6.2.9200.26434 affected
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0< 6.2.9200.26434 affected
Microsoft Windows Server 2012 R2 6.3.9600.0< 6.3.9600.23470 affected
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0< 6.3.9600.23470 affected
Microsoft Windows Server 2016 10.0.14393.0< 10.0.14393.9612 affected
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0< 10.0.14393.9612 affected
Microsoft Windows Server 2019 10.0.17763.0< 10.0.17763.9376 affected
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0< 10.0.17763.9376 affected
Microsoft Windows Server 2022 10.0.20348.0< 10.0.20348.5761 affected
Microsoft Windows Server 2025 10.0.26100.0< 10.0.26100.33650 affected
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0< 10.0.26100.33650 affected
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I. Basic Information for CVE-2026-70250

Vulnerability Information
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Vulnerability Title
Windows DHCP Client Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Use after free in Windows DHCP Client allows an unauthorized attacker to execute code over an adjacent network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Windows Server 2012 6.2.9200.0 ~ 6.2.9200.26434 -
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.26434 -
Microsoft Windows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.23470 -
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.23470 -
Microsoft Windows Server 2016 10.0.14393.0 ~ 10.0.14393.9612 -
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.9612 -
Microsoft Windows Server 2019 10.0.17763.0 ~ 10.0.17763.9376 -
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.9376 -
Microsoft Windows Server 2022 10.0.20348.0 ~ 10.0.20348.5761 -
Microsoft Windows Server 2025 10.0.26100.0 ~ 10.0.26100.33650 -
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.33650 -

II. Public POCs for CVE-2026-70250

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III. Intelligence Information for CVE-2026-70250

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Vendor Advisories for CVE-2026-70250 (1)

Same Patch Batch · Microsoft · 2026-10-13 · 1407 CVEs total

CVE-2026-69705 9.8 CRITICAL Windows iSCSI Remote Code Execution Vulnerability
CVE-2026-83935 9.8 CRITICAL Microsoft XML Remote Code Execution Vulnerability
CVE-2026-70153 9.8 CRITICAL Microsoft PostScript Printer Driver Remote Code Execution Vulnerability
CVE-2026-70147 9.8 CRITICAL Microsoft PostScript Printer Driver Remote Code Execution Vulnerability
CVE-2026-70242 9.8 CRITICAL Microsoft Office Outlook Remote Code Execution Vulnerability
CVE-2026-83869 9.8 CRITICAL Windows Domain Name Service Remote Code Execution Vulnerability
CVE-2026-85806 9.8 CRITICAL Network Policy Server (NPS) Remote Code Execution Vulnerability
CVE-2026-83519 9.8 CRITICAL Windows Error Reporting Remote Code Execution Vulnerability
CVE-2026-105010 9.8 CRITICAL Microsoft Windows Search Component Elevation of Privilege Vulnerability
CVE-2026-102210 9.8 CRITICAL Windows Text Shaping Remote Code Execution Vulnerability
CVE-2026-96909 9.8 CRITICAL Windows BitLocker Remote Code Execution Vulnerability
CVE-2026-88178 9.8 CRITICAL Microsoft Office PowerPoint Remote Code Execution Vulnerability
CVE-2026-88156 9.8 CRITICAL Microsoft Office Outlook Remote Code Execution Vulnerability
CVE-2026-85792 9.8 CRITICAL Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2026-69634 9.8 CRITICAL Windows iSCSI Remote Code Execution Vulnerability
CVE-2026-97816 9.8 CRITICAL Microsoft OpenSSH for Windows Remote Code Execution Vulnerability
CVE-2026-96113 9.8 CRITICAL Windows Domain Name Service Remote Code Execution Vulnerability
CVE-2026-96934 9.8 CRITICAL Windows DHCP Server Remote Code Execution Vulnerability
CVE-2026-96924 9.8 CRITICAL Windows OLE Remote Code Execution Vulnerability
CVE-2026-97815 9.8 CRITICAL Windows Error Reporting Remote Code Execution Vulnerability

Showing top 20 of 1407 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows Server 2012
Same vendor: Microsoft
Same weakness: CWE-416

V. Comments for CVE-2026-70250

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