CVE-2026-65660
HighPublished
Microsoft SharePoint Server Remote Code Execution Vulnerability
- Published
- Aug 11, 2026
- Updated
- Oct 8, 2026
- Assigning CNA
- microsoft
- Evidence observed
- Sep 25, 2026
Primary CVSS
8.8/ 10High
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.1%
Low · next 30 days
- Percentile
- 81.4%
- Model date
- Oct 15, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Sources
- CVE-2026-65660-PocExploit
Malicious Register Directive Code Injection Exploit
Responsible use
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