CVE-2026-70259 Microsoft Office SharePoint Information Disclosure Vulnerability

{
  "id": "54f4d29c5a9b7aea13cf58110e43edd62f151489ea164253496e40609c7d6225",
  "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70259",
  "method": "llm",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-70259 Microsoft Office SharePoint Information Disclosure Vulnerability",
    "summary": "An authorized attacker can disclose information over a network through server-side request forgery in Microsoft Office SharePoint.",
    "evidence": "Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.",
    "products": [
      {
        "name": {
          "value": "Microsoft Office SharePoint",
          "evidence": "Server-side request forgery (ssrf) in Microsoft Office SharePoint"
        },
        "prerequisites": [
          {
            "value": "an authorized attacker",
            "evidence": "allows an authorized attacker to disclose information"
          }
        ],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-70259",
        "evidence": "CVE-2026-70259 Microsoft Office SharePoint Information Disclosure Vulnerability"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-microsoft-security-updates",
  "document_id": 25312,
  "published_at": "2026-10-13T14:00:00+00:00"
}