CVE-2026-64918
Microsoft Office Spoofing Vulnerability
- State
- Published
- Severity
- 6.5 Medium
- Published
- Sep 8, 2026
- Updated
- Oct 31, 2026
- Reserved
- Jul 20, 2026
Description
Insufficiently protected credentials in Microsoft Office allows an unauthorized attacker to perform spoofing over a network.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C | microsoft |
Weaknesses
- CWE-522 Insufficiently Protected Credentials
Affected Products
| Product | Versions |
|---|---|
Microsoft 365 Apps for EnterpriseMicrosoft |
|
References
- Microsoft Office Spoofing Vulnerabilityvendor-advisorypatch
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