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| 43f7eb | uddr | 2026-09-03 15:47:55 | 1 | # CVE-2026-84226 - Windows tapctl binary planting via netsh.exe called without full path |
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| 3 | OpenVPN 2.x on Windows allows local attackers to potentially execute code of their choosing by planting a `netsh.exe` binary in a directory searched before the system directory, because `tapctl` invoked `netsh.exe` without its full path. |
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| 5 | OpenVPN version 2.5.0 through 2.6.22 and 2.7_alpha1 through 2.7.6 are affected. This is fixed in version 2.7.7. |
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| 7 | CVE Record: [CVE-2026-84226](https://www.cve.org/CVERecord?id=CVE-2026-84226) |
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| 9 | Github: |
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| 10 | * [OpenVPN/openvpn-private-issues#164](https://github.com/OpenVPN/openvpn-private-issues/issues/164) |
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| 12 | Release notes: |
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| 13 | * [openvpn-2.7.7](https://community.openvpn.net/ReleaseHistory#openvpn-277-released-3-september-2026) |
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| 15 | Reported-By: BreachX Zero Day Labs (using Typhon AI Mil v2) |