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CVE-2026-65660

8.8 high KEV · due 2026-09-28 exploit ×2 SSVC exploitation: active Analyzed
NVD · CVE.org · CISA KEV

Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Fix

Public exploits 2

Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.

CISA KEV required action · due 2026-09-28

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.

Added to the catalog 2026-09-25. CISA KEV

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 6

  1. References+2 references (now 3)NVD modified 2026-10-26 13:10
  2. Cpes+3 CPE criteria (now 3)NVD modified 2026-10-26 13:10
  3. StatusPublished → AnalyzedNVD modified 2026-10-26 13:10
  4. CVSS8.8 (v3.1, CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C) → 8.8 (v3.1, CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)NVD modified 2026-10-26 13:10
  5. CISA KEVadded to CISA KEV, due 2026-09-28
  6. First seenCVSS 8.8 · microsoftNVD modified 2026-10-21 20:52

Affected (CPE criteria) 3

  • cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*
  • cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*

References 3