CVE-2026-84256

CVE Enrichment

CVSS: 7.7 HIGH
EPSS: 0.38%
EPSS Percentile: 30.35%
CISA KEV: Not listed

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

Technical Details

CVSS Version: 4.0
CNA / NVD Source: security@openvpn.net
Published: 07-Sep-2026 15:17
Last Modified: 09-Sep-2026 02:07
EPSS Date: 2026-10-11
CWE: CWE-78, CWE-88

CVSS Vector


            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 /
                            E:X /
                            CR:X /
                            IR:X /
                            AR:X /
                            MAV:X /
                            MAC:X /
                            MAT:X /
                            MPR:X /
                            MUI:X /
                            MVC:X /
                            MVI:X /
                            MVA:X /
                            MSC:X /
                            MSI:X /
                            MSA:X /
                            S:X /
                            AU:X /
                            R:X /
                            V:X /
                            RE:X /
                            U:X

References

security@openvpn.net

Last enrichment sync: 12-Oct-2026 08:45
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

CVE-2026-13182, CVE-2026-13183, CVE-2026-13184 (Telerik UI for ASP.NET AJAX), CVE-2026-84732, CVE-2026-84256, CVE-2026-84226, CVE-2026-82312, CVE-2026-78043, CVE-2026-81738 (OpenVPN), CVE-2026-75754 (ASUS Weekly Security Recap: Exploited Citrix NetScaler Flaw and Dozens of Vulnerabilities

CVE (135)

Vendors (1)

Products (2)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.