CVE-2026-70331 Microsoft Edge for iOS Spoofing Vulnerability

{
  "id": "38c481ab54ff9cf38343f14a9d4a2be553601cbb7e39e137a8f2834aa8c7f39a",
  "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70331",
  "method": "llm",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-70331 Microsoft Edge for iOS Spoofing Vulnerability",
    "summary": "Microsoft Edge for iOS has a spoofing vulnerability involving improper neutralization of input used for LLM prompting; an unauthorized attacker may exploit it over a network.",
    "evidence": "Improper neutralization of input used for llm prompting in Microsoft Edge for iOS allows an unauthorized attacker to perform spoofing over a network.",
    "products": [
      {
        "name": {
          "value": "Microsoft Edge for iOS",
          "evidence": "Improper neutralization of input used for llm prompting in Microsoft Edge for iOS"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-70331",
        "evidence": "CVE-2026-70331 Microsoft Edge for iOS Spoofing Vulnerability"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-microsoft-security-updates",
  "document_id": 27230,
  "published_at": "2026-08-28T14:00:00+00:00"
}