EUVD-2026-73701
GHSA-3x2q-gj7x-pc7q
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
DHCP protocol is network-accessible pre-authentication (AV:N/PR:N); AC:H reflects required bypass of Windows stack mitigations; full C/I/A from SYSTEM-level code execution.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Stack-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
AnalysisAI
Stack-based buffer overflow (CWE-121) in the Windows DHCP Server role enables unauthenticated remote code execution across Windows Server versions spanning 2012 through 2025. The CVSS 3.1 vector (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H) indicates network exploitation without authentication or user interaction, moderated by high attack complexity requiring precise exploitation conditions. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The Windows DHCP Server role must be explicitly installed and running - this is not a default-enabled service on any affected platform. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS base score of 8.1 reflects the tension between the complete C/I/A impact from successful code execution and the high attack complexity (AC:H) that moderates exploitability. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the Microsoft security updates for the relevant Windows version via Windows Update, WSUS, or Microsoft Update Catalog. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Windows Server 2012, 2016, 2019, 2022, and 2025 instances running DHCP Server and verify patch status against Microsoft's security update. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
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Same weakness CWE-121 – Stack-based Buffer Overflow
View allSame technique Buffer Overflow
View allShare
External POC / Exploit Code
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