VULNERABILITY INTELLIGENCE
CVE-2026-78221
CVSS score5.9 MEDIUM
EPSS probability0.12%
CISA KEVNot currently listed
Published2026-09-07
Last modified2026-09-08
CVSS vectorCVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:N/VA:H/SC:H/SI:N/SA:H
Description
An incorrect buffer size calculation in the Windows Interactive Service in OpenVPN 2.7_alpha1 through 2.7.6 allows local authenticated users to cause memory corruption or disclose sensitive information via crafted NRPT inputs.
Weakness classification
- CWE-131: Incorrect Calculation of Buffer Size