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CVE-2026-70276 Microsoft Office Click-To-Run Elevation of Privilege Vulnerability

Type: advisorySources: Microsoft security updates

A use-after-free vulnerability in Microsoft Office Click-To-Run could allow an authorized attacker to elevate privileges locally.

Products
Microsoft Office Click-To-Run
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-70276
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 20:29 UTC · Revision 1

Source evidence

CVE-2026-70276 Microsoft Office Click-To-Run Elevation of Privilege Vulnerability

official-microsoft-security-updates · Original source

Published 13 Oct 2026, 14:00 UTC

A use-after-free vulnerability in Microsoft Office Click-To-Run could allow an authorized attacker to elevate privileges locally.

Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.

Microsoft Office Click-To-Run

Fixed versions: Not specified

Complete source record
{
  "id": "4044cbf4e10f8ab3cb028be8f4f17e4a620e14fb03c8df5ea36d082f13f79cd4",
  "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70276",
  "method": "llm",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-70276 Microsoft Office Click-To-Run Elevation of Privilege Vulnerability",
    "summary": "A use-after-free vulnerability in Microsoft Office Click-To-Run could allow an authorized attacker to elevate privileges locally.",
    "evidence": "Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.",
    "products": [
      {
        "name": {
          "value": "Microsoft Office Click-To-Run",
          "evidence": "Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally."
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-70276",
        "evidence": "CVE-2026-70276 Microsoft Office Click-To-Run Elevation of Privilege Vulnerability"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-microsoft-security-updates",
  "document_id": 25314,
  "published_at": "2026-10-13T14:00:00+00:00"
}