Oct 19, 2026 · 13:47 UTC SEARCH
UNRATED KNOWN EXPLOITED
Vulnerability intelligence

CVE-2026-65660

VendorMicrosoft
ProductSharePoint
Known exploitedYes
Added to CISA KEVSeptember 25, 2026
KEV due dateSeptember 28, 2026
Known ransomware useNot identified by CISA

Microsoft SharePoint contains a code injection vulnerability which could allow an authorized attacker to execute code over a network.

Required action

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.

CISA KEV status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities Catalog. Known ransomware campaign use: Unknown.

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