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Low 2.3Published Sep 7, 2026
CVE-2026-81738OpenVPN 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
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- CVSS
- 2.3 LOW (v4.0, CNA)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
- Weakness (CWE)
- CWE-121, CWE-193, CWE-787
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- OpenVPN
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
OpenVPN OpenVPN openvpn:openvpn (from the name) | from 2.5.0 through 2.7.6 | CNA record |
References
- https://community.openvpn.net/Security%20Announcements/CVE-2026-81738vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.