CVE-2026-65660
Microsoft SharePoint Server Remote Code Execution Vulnerability
CVSS Score
8.8
EPSS Score
1.2%
EPSS Percentile
67th
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
| Vendor | microsoft |
| Product | microsoft sharepoint enterprise server 2016 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Aug 11, 2026 |
| Last Updated | Sep 25, 2026 |
⚠️ Actively Exploited — Act Now
Get instant alerts for microsoft microsoft sharepoint enterprise server 2016
This vulnerability is actively exploited in the wild. Set up free real-time alerts so you're first to know about threats like CVE-2026-65660.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected 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
msrc.microsoft.com: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65660 blog.previdian.com: https://blog.previdian.com/cve-2026-65660-previdian-observes-two-stage-sharepoint-exploitation-attempts/ cisa.gov: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-65660