# CVE-2026-65660: Microsoft SharePoint Code Injection Vulnerability

- Exploited (CISA KEV): yes, added 2026-09-25
- Published: 2026-08-11
- CVSS: 8.8 HIGH (v3.1)
- EPSS: 8.2% (95th percentile)
- CWE: CWE-94

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

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | No public claim | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2026-10-21 | 71 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### F5

- 2026-10-21 · new · rule 200204106
  > Added: signature 200204106 "Microsoft SharePoint ToolPane Remote Code Execution (2)" (Server Side Code Injection, risk High), systems: SharePoint. References: CVE-2026-65660.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2026-65660 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2026-65660