# CVE-2026-84256

## Summary

- **CVE ID:** CVE-2026-84256
- **Severity:** HIGH
- **CVSS Score:** 7.7 (CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-78, CWE-88
- **Published:** Sep 7, 2026
- **Last Modified:** Sep 8, 2026

## Description

An argument parsing issue in OpenVPN 2.1_rc10 through 2.6.22 and 2.7_alpha1 through 2.7.6 on Windows allows remote authenticated users to execute arbitrary commands via a crafted certificate subject

## Affected Products

- OpenVPN — OpenVPN (2.1_rc10)
- OpenVPN — OpenVPN (2.7_alpha1)

## References

- [CNA](https://community.openvpn.net/Security%20Announcements/CVE-2026-84256)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.38%
- **EPSS Percentile:** 31.7

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._