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
Published: 2026-09-07
Score: 2.3 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 07 Sep 2026 16:00:00 +0000

Type Values Removed Values Added
Title OpenVPN Windows TAP-Windows6 Out-of-Bounds Write via DOMAIN-SEARCH entries

Mon, 07 Sep 2026 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Openvpn
Openvpn openvpn
Vendors & Products Openvpn
Openvpn openvpn

Mon, 07 Sep 2026 08:00:00 +0000

Type Values Removed Values Added
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
Weaknesses CWE-121
CWE-193
CWE-787
References
Metrics cvssV4_0

{'score': 2.3, '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'}

Subscriptions

Openvpn Openvpn
cve-icon MITRE

Status: PUBLISHED

Assigner: OpenVPN

Published:

Updated: 2026-09-07T07:32:20.430Z

Reserved: 2026-08-27T11:45:58.319Z

Link: CVE-2026-81738

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-07T08:17:13.270

Modified: 2026-09-07T08:17:13.270

Link: CVE-2026-81738

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-07T15:45:17Z

Weaknesses