P1 Verified
Microsoft SharePoint Code Injection Vulnerability
CVE-2026-65660 affects Microsoft SharePoint. EPSS 0.02101 (percentile 0.81063), scored 2026-10-03. Listed in CISA KEV, added 2026-09-25.
- CVE / CWE
- CVE-2026-65660 / CWE-94
- Vendor / product
- Microsoft / SharePoint
- Severity
- 80.0
- CVSS
- Unavailable · ·
- EPSS
- 0.02101 · percentile 0.81063 · 2026-10-03
- KEV
- yes · added 2026-09-25 · due 2026-09-28 · ransomware use Unknown
- Exploit signals
- kev: CISA KEV listing.
- Signal evidence
Affected products
Required action — CISA
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.
Provenance
- CISA Known Exploited Vulnerabilities Catalog (JSON) · Source record · observed 2026-10-04 05:55:03.893835+00:00 UTC
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-04 05:55:10.544390+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-65660.html