CVE-2026-64918
Microsoft Office Spoofing vulnerability
MSRC advisory September 8, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-64918
- Affected products
- Microsoft Office Spoofing · Microsoft Microsoft Office Spoofing · Microsoft
What happened
Insufficiently protected credentials in Microsoft Office allows an unauthorized attacker to perform spoofing over a network.
What it means for your business
Microsoft Office Spoofing vulnerability (CVE-2026-64918) was added to Microsoft’s security update guidance. Insufficiently protected credentials in Microsoft Office allows an unauthorized attacker to perform spoofing over a network. If you need help checking exposure, call (864) 335-9223.
Sources
Related briefs
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