CVE-2026-100208
Microsoft Office Outlook Remote Code Execution vulnerability
MSRC advisory September 25, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-100208
- CWE
- CWE-190
- Affected products
- Microsoft Office Outlook Remote Code Execution · Microsoft Microsoft Office Outlook Remote Code Execution · Microsoft
What happened
Information published. This CVE was addressed by updates that were released in August 2026, but the CVE was inadvertently omitted from the August 2026 Security Updates. This is an informational change only. Customers who have already installed the August 2026 updates do not need to take any further action.
What it means for your business
Microsoft Office Outlook Remote Code Execution vulnerability (CVE-2026-100208) was added to Microsoft’s security update guidance. Information published. This CVE was addressed by updates that were released in August 2026, but the CVE was inadvertently omitted from the August 2026 Security Updates. This is an informational change only. Customers who have already installed the August 2026 updates do not ne… If you need help checking exposure, call (864) 335-9223.
CVSS score
7.5 (High)
EPSS probability
0.35%
Sources
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