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CVE-2026-70082 Windows DNS Denial of Service Vulnerability

Type: advisorySources: Microsoft security updates

An unauthorized attacker can cause a denial of service over a network by triggering an uncaught exception in Windows DNS.

Products
Windows DNS
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-70082
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 17:05 UTC · Revision 1

Source evidence

CVE-2026-70082 Windows DNS Denial of Service Vulnerability

official-microsoft-security-updates · Original source

Published 13 Oct 2026, 14:00 UTC

An unauthorized attacker can cause a denial of service over a network by triggering an uncaught exception in Windows DNS.

Uncaught exception in Windows DNS allows an unauthorized attacker to deny service over a network.

Windows DNS

Fixed versions: Not specified

Complete source record
{
  "id": "d4532983a5a2afdb97d6709f8dd325ac06bc2ea37206debd9b5fd1fa796b6074",
  "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70082",
  "method": "llm",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-70082 Windows DNS Denial of Service Vulnerability",
    "summary": "An unauthorized attacker can cause a denial of service over a network by triggering an uncaught exception in Windows DNS.",
    "evidence": "Uncaught exception in Windows DNS allows an unauthorized attacker to deny service over a network.",
    "products": [
      {
        "name": {
          "value": "Windows DNS",
          "evidence": "Uncaught exception in Windows DNS allows an unauthorized attacker to deny service over a network."
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-70082",
        "evidence": "CVE-2026-70082 Windows DNS Denial of Service Vulnerability"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-microsoft-security-updates",
  "document_id": 24839,
  "published_at": "2026-10-13T14:00:00+00:00"
}