CVE-2026-65660: microsoft sharepoint_server

CVSS 8.8 (high) · listed as exploited by CISA since 2026-09-25 · published 2026-08-11

Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Affected products (NVD): microsoft sharepoint_server

Fixed in (NVD): 16.0.19725.20522

Weakness: CWE-94

Source: NVD CVE-2026-65660

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65660
• https://blog.previdian.com/cve-2026-65660-previdian-observes-two-stage-sharepoint-exploitation-attempts/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-65660

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