CVE-2026-69876 Windows DHCP Server Remote Code Execution Vulnerability

{
  "id": "afc0228fdeaddfabb678b02a333866965ac49450bba4ee1e04dae3d312644aa6",
  "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69876",
  "method": "llm",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-69876 Windows DHCP Server Remote Code Execution Vulnerability",
    "summary": "An authorized attacker on an adjacent network can execute code through a use-after-free vulnerability in Windows DHCP Server.",
    "evidence": "Use after free in Windows DHCP Server allows an authorized attacker to execute code over an adjacent network.",
    "products": [
      {
        "name": {
          "value": "Windows DHCP Server",
          "evidence": "Use after free in Windows DHCP Server allows an authorized attacker to execute code over an adjacent network."
        },
        "prerequisites": [
          {
            "value": "an authorized attacker",
            "evidence": "Use after free in Windows DHCP Server allows an authorized attacker to execute code over an adjacent network."
          },
          {
            "value": "over an adjacent network",
            "evidence": "Use after free in Windows DHCP Server allows an authorized attacker to execute code over an adjacent network."
          }
        ],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-69876",
        "evidence": "CVE-2026-69876 Windows DHCP Server Remote Code Execution Vulnerability"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-microsoft-security-updates",
  "document_id": 26978,
  "published_at": "2026-09-08T14:00:00+00:00"
}