CVE-2026-108451
Microsoft Office Word Remote Code Execution vulnerability
MSRC advisory October 15, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-108451
- CWE
- CWE-122CWE-197
- Affected products
- Microsoft Office Word Remote Code Execution · Microsoft Microsoft Office Word Remote Code Execution · Microsoft
What happened
Information published. 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.
What it means for your business
Microsoft Office Word Remote Code Execution vulnerability (CVE-2026-108451) was added to Microsoft’s security update guidance. Information published. 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… If you need help checking exposure, call (864) 335-9223.
CVSS score
8.8 (High)
Sources
Related briefs
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Microsoft Office Word Remote Code Execution vulnerability
Microsoft Office Word Remote Code Execution vulnerability (CVE-2026-108449) was added to Microsoft’s security update guidance. Information published. 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… If you need help checking exposure, call (864) 335-9223.
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