
CISA Warns of Microsoft SharePoint Code Injection Vulnerability Exploited in Attacks
CISA added actively exploited SharePoint code-injection flaw CVE-2026-65660 to the KEV catalog, with federal fixes due September 28.
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CISA added actively exploited SharePoint code-injection flaw CVE-2026-65660 to the KEV catalog, with federal fixes due September 28.

Attackers are exploiting patched Microsoft SharePoint flaw CVE-2026-65660, which CISA added to KEV.

CISA listed actively exploited SharePoint RCE and MikroTik RouterOS flaws in the KEV catalog.

CISA added exploited Microsoft SharePoint and MikroTik RouterOS flaws to KEV, due September 28.

Canada’s Cyber Centre says SharePoint flaw CVE-2026-65660 is actively exploited for code execution.

CVE-2026-65660 allows authenticated low-privilege users to execute arbitrary code on vulnerable on-premises Microsoft SharePoint servers via a SafeControls bypass.

Microsoft patched CVE-2026-65660, an authenticated SharePoint Server remote code execution flaw scored 8.8.

Researchers show SharePoint CVE-2026-65660 enables authenticated RCE, despite Microsoft first listing it as spoofing.
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