Description
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Metrics
CVSS 3.1 8.8/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 | >= 16.0.0, < 16.0.5565.1001 |
| Microsoft | Microsoft SharePoint Server 2019 | >= 16.0.0, < 16.0.10417.20198 |
| Microsoft | Microsoft SharePoint Server Subscription Edition | >= 16.0.0, < 16.0.19725.20522 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65660Patch, Vendor Advisory
- https://blog.previdian.com/cve-2026-65660-previdian-observes-two-stage-sharepoint-exploitation-attempts/Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-65660US Government Resource
Timeline
- Published
- Aug 11, 2026
- Last modified
- Oct 26, 2026
- Added to CISA KEV
- Sep 25, 2026
- NVD status
- Analyzed