CVE-2026-55121
Microsoft Office Information Disclosure vulnerability
MSRC advisory July 14, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-55121
- Affected products
- Microsoft Office Information Disclosure · Microsoft Microsoft Office Information Disclosure · Microsoft
What happened
Updated an acknowledgement. This is an informational change only.
What it means for your business
Microsoft Office Information Disclosure vulnerability (CVE-2026-55121) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Sources
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