CVE-2026-100206
Microsoft Office Information Disclosure vulnerability
MSRC advisory September 25, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-100206
- Affected products
- Microsoft Office Information Disclosure · Microsoft Microsoft Office Information Disclosure · Microsoft
What happened
Information published. This CVE was addressed by updates that were released in July 2026, but the CVE was inadvertently omitted from the July 2026 Security Updates. This is an informational change only. Customers who have already installed the July 2026 updates do not need to take any further action.
What it means for your business
Microsoft Office Information Disclosure vulnerability (CVE-2026-100206) was added to Microsoft’s security update guidance. Information published. This CVE was addressed by updates that were released in July 2026, but the CVE was inadvertently omitted from the July 2026 Security Updates. This is an informational change only. Customers who have already installed the July 2026 updates do not need to… If you need help checking exposure, call (864) 335-9223.
Sources
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