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CVE-2026-70201— Windows DHCP Server Denial of Service 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 服务器中的越界读取漏洞允许经授权的攻击者在本地实施服务拒绝。

CVSS 5.5 · Medium

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

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-2026-70201

Vulnerability Information
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Vulnerability Title
Windows DHCP Server Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Out-of-bounds read in Windows DHCP Server allows an authorized attacker to deny service locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
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-2026-70201

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III. Intelligence Information for CVE-2026-70201

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Vendor Advisories for CVE-2026-70201 (1)

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

CVE-2026-96909 9.8 CRITICAL Windows BitLocker Remote Code Execution Vulnerability
CVE-2026-70157 9.8 CRITICAL Windows System Information Console Remote Code Execution Vulnerability
CVE-2026-70291 9.8 CRITICAL Microsoft Office Outlook Remote Code Execution Vulnerability
CVE-2026-96864 9.8 CRITICAL Microsoft Failover Cluster Virtual Driver Remote Code Execution Vulnerability
CVE-2026-96934 9.8 CRITICAL Windows DHCP Server Remote Code Execution Vulnerability
CVE-2026-96096 9.8 CRITICAL Windows Media Player Remote Code Execution Vulnerability
CVE-2026-70096 9.8 CRITICAL Windows Rich Text Edit Control Remote Code Execution Vulnerability
CVE-2026-96924 9.8 CRITICAL Windows OLE Remote Code Execution Vulnerability
CVE-2026-85806 9.8 CRITICAL Network Policy Server (NPS) Remote Code Execution Vulnerability
CVE-2026-83862 9.8 CRITICAL Windows Network Load Balancing Remote Code Execution Vulnerability
CVE-2026-83578 9.8 CRITICAL Microsoft PowerShell Remote Code Execution Vulnerability
CVE-2026-100219 9.8 CRITICAL Microsoft QUIC Remote Code Execution Vulnerability
CVE-2026-83935 9.8 CRITICAL Microsoft XML Remote Code Execution Vulnerability
CVE-2026-97749 9.8 CRITICAL Microsoft Office Outlook Remote Code Execution Vulnerability
CVE-2026-105010 9.8 CRITICAL Microsoft Windows Search Component Elevation of Privilege Vulnerability
CVE-2026-100222 9.8 CRITICAL Network Policy Server (NPS) Remote Code Execution Vulnerability
CVE-2026-83748 9.8 CRITICAL Windows Error Reporting Remote Code Execution Vulnerability
CVE-2026-70147 9.8 CRITICAL Microsoft PostScript Printer Driver Remote Code Execution Vulnerability
CVE-2026-96219 9.8 CRITICAL Windows Local Security Authority Subsystem Service (LSASS) Remote Code Execution Vulnerabi
CVE-2026-96320 9.8 CRITICAL Windows DHCP Server 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-125

V. Comments for CVE-2026-70201

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