Description
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 | 16.0.0 – < 16.0.5565.1001 | 16.0.5565.1001 |
| Microsoft | Microsoft SharePoint Server 2019 | 16.0.0 – < 16.0.10417.20198 | 16.0.10417.20198 |
| Microsoft | Microsoft SharePoint Server Subscription Edition | 16.0.0 – < 16.0.19725.20522 | 16.0.19725.20522 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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HORKimhab/CVE-2026-65660 ★ 0 · Sep 25, 2026
CVE-2026-65660 - Draft or TODO
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 3
- MSRC-CVE-2026-65660 Microsoft SharePoint Server Remote Code Execution Vulnerability Microsoft Security Response Center · Sep 25, 2026
- WID-SEC-2026-2762 Microsoft Office Produkte: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 23, 2026
- NCSC-2026-0286 Kwetsbaarheden verholpen in Microsoft Office NCSC-NL (Netherlands) · Aug 27, 2026
References
- Microsoft SharePoint Server Remote Code Execution Vulnerability vendor-advisory patch