CVE-2026-65660
Microsoft SharePoint Code Injection Vulnerability
- Severity: Unscored
- EPSS 2.10%
- On CISA KEV
- Public exploit
- P1 · Patch now
Why P1: on CISA KEV.
Description
Microsoft SharePoint contains a code injection vulnerability which could allow an authorized attacker to execute code over a network.
CISA Known Exploited Vulnerability
Added 2026-09-25, remediation due 2026-09-28. Ransomware use: Unknown. 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…
Affected products
- Microsoft SharePoint Version details not specified by CISA
References
- CISA KEV catalog CISA