CVE-2026-81738

CVE Enrichment

CVSS: 2.3 LOW
EPSS: 0.33%
EPSS Percentile: 24.31%
CISA KEV: Not listed

Description

OpenVPN 2.5.0 through 2.7.6 on Windows using the tap-windows6 driver allows attackers to trigger an out-of-bounds write via crafted DOMAIN-SEARCH entries

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-121, CWE-193, CWE-787

CVSS Vector


            CVSS:4.0                            AV:N /
                            AC:H /
                            AT:P /
                            PR:N /
                            UI:P /
                            VC:N /
                            VI:L /
                            VA:L /
                            SC:N /
                            SI:L /
                            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 08:57
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

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 Control Center Enterprise), CVE-2026-96659 (Foreman), CVE-2026-61500 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.