CVE-2026-65660
Microsoft SharePoint Code Injection Vulnerability
CVSS
8.8
Alta
EPSS
8.2%
p95
KEV
SIM
25 de set. de 2026
Exploit Today
78
0-100
Publicado: 11 de ago. de 2026 · Última mod.: 26 de out. de 2026 · CWE-94
Produto
Microsoft / SharePoint
Vulnerabilidade
Microsoft SharePoint Code Injection Vulnerability
Adicionado ao KEV
25 de set. de 2026
Corrigir até
28 de set. de 2026
Uso conhecido em ransomware
Não
Descrição resumida
Microsoft SharePoint contains a code injection vulnerability which could allow an authorized attacker to execute code over a network.
Ação necessária
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Notas
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65660 ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-65660
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
- msrc.microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65660
- blog.previdian.comhttps://blog.previdian.com/cve-2026-65660-previdian-observes-two-stage-sharepoint-exploitation-attempts/
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-65660