KEV Entry

CVE-2026-65660

Known Exploited Vulnerability Entry CISA

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Entry Details
Confirmed Exploited

CVE-2026-65660

2026-09-25 00:00 UTC

Timestamps

2026-09-25

2026-09-25

Scope

Microsoft SharePoint Code Injection Vulnerability | Affected: Microsoft / SharePoint | Description: 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. | Due date: 2026-09-28 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65660 ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-65660

References
  • {'id': 'CVE-2026-65660', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-65660'}

8aea3b7a-db3d-449f-9e07-5da693940fd2

CISA
405284c2-e461-4670-8979-7fd2c9755a60

2026-09-25 16:00 UTC

2026-09-25 16:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-94"
  ],
  "date_added": "2026-09-25",
  "due_date": "2026-09-28",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "SharePoint",
  "vendorProject": "Microsoft",
  "vulnerabilityName": "Microsoft SharePoint Code Injection Vulnerability"
}
 -
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