# CVE-2026-84869: ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerability

- Exploited (CISA KEV): yes, added 2026-09-11
- Published: 2026-09-08
- CVSS: 9.9 CRITICAL (v3.1)
- EPSS: 0.9% (60th percentile)
- CWE: CWE-862, CWE-269

A condition in the ScreenConnect client may allow files to be transferred and executed through an active remote session without authorization or Host confirmation in certain circumstances. ScreenConnect servers are not impacted.

## 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 | No public claim | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

"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-2026-84869 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2026-84869