CVE-2026-84732

CVE Enrichment

CVSS: 8.7 HIGH
EPSS: 0.54%
EPSS Percentile: 44.06%
CISA KEV: Not listed

Description

Retransmissions of ACK packet ID in OpenVPN through 2.6.22 and 2.7.6 allow remote unauthenticated attackers to cause a denial of service via crafted inputs that trigger a timeout integer overflow

Technical Details

CVSS Version: 4.0
CNA / NVD Source: security@openvpn.net
Published: 07-Sep-2026 16:17
Last Modified: 09-Sep-2026 02:07
EPSS Date: 2026-10-11
CWE: CWE-190

CVSS Vector


            CVSS:4.0                            AV:N /
                            AC:L /
                            AT:N /
                            PR:N /
                            UI:N /
                            VC:N /
                            VI:N /
                            VA:H /
                            SC:N /
                            SI:N /
                            SA:L /
                            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 08:42
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

CVE-2026-13181, 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), 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.