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CVE-2026-108434 Microsoft Office Word Information Disclosure Vulnerability

Type: otherSources: Microsoft security updates

This informational update says the CVE was addressed by updates released in October 2026 but inadvertently omitted from that month’s Security Updates. Customers who installed those updates need no further action.

Products
Microsoft Office Word
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-108434
Confirmed fixed CVEs
Not specified
Updated in this feed
2 Nov 2026, 17:33 UTC · Revision 1

Source evidence

CVE-2026-108434 Microsoft Office Word Information Disclosure Vulnerability

official-microsoft-security-updates · Original source

Published 15 Oct 2026, 14:00 UTC

This informational update says the CVE was addressed by updates released in October 2026 but inadvertently omitted from that month’s Security Updates. Customers who installed those updates need no further action.

This CVE was addressed by updates that were released in October 2026, but the CVE was inadvertently omitted from the October 2026 Security Updates. This is an informational change only. Customers who have already installed the October 2026 updates do not need to take any further action.

Microsoft Office Word

Fixed versions: Not specified

Complete source record
{
  "id": "7360b8d9e47705e3723e17b5e199320aa6e1a223e972d6cf00fd87a1d6ddf562",
  "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108434",
  "method": "llm",
  "payload": {
    "kind": "other",
    "title": "CVE-2026-108434 Microsoft Office Word Information Disclosure Vulnerability",
    "summary": "This informational update says the CVE was addressed by updates released in October 2026 but inadvertently omitted from that month’s Security Updates. Customers who installed those updates need no further action.",
    "evidence": "This CVE was addressed by updates that were released in October 2026, but the CVE was inadvertently omitted from the October 2026 Security Updates. This is an informational change only. Customers who have already installed the October 2026 updates do not need to take any further action.",
    "products": [
      {
        "name": {
          "value": "Microsoft Office Word",
          "evidence": "CVE-2026-108434 Microsoft Office Word Information Disclosure Vulnerability"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-108434",
        "evidence": "CVE-2026-108434 Microsoft Office Word Information Disclosure Vulnerability"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-microsoft-security-updates",
  "document_id": 24576,
  "published_at": "2026-10-15T14:00:00+00:00"
}