EUVD-2026-72967
GHSA-9fhm-gfr3-4mw4
Severity by source
AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Adjacent network vector, low-privilege auth requirement, and full CIA impact from stack overflow RCE in a privileged network service are all consistent with description and MSRC data.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Stack-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code over an adjacent network.
AnalysisAI
Stack-based buffer overflow in the Windows DHCP Server role enables an authenticated, adjacent-network attacker to achieve full remote code execution. Affected platforms span Windows Server 2012 through 2025 and Windows 10 (versions 1607 and 1809), covering a broad swath of enterprise infrastructure. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must be positioned on the same layer-2 network segment or VLAN as the target DHCP server, satisfying the AV:A (adjacent network) requirement. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 8.0 with AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H represents a genuine high-severity finding, but the adjacent-network vector materially constrains real-world exposure compared to internet-facing RCE vulnerabilities. … 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-released patches for each affected Windows Server and Windows 10 version as specified in the MSRC advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69412. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Windows Server 2012-2025 and Windows 10 (versions 1607 and 1809) DHCP servers and validate network segmentation to ensure only authorized users have adjacent-network access. …
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Same weakness CWE-121 – Stack-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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