CVE-2026-88964CWE-125CWE-191

CVE-2026-88964

published October 14, 2026

CVSS
7.1
EPSS
0%
Percentile
39.3
In the wild
Unconfirmed
What it is

An integer underflow in OpenVPN version 2.7_alpha3 through 2.7.7 on Windows and Android allows remote authenticated servers to cause a denial of service or memory disclosure via crafted domain search options

The record
Technical detail
CVSS
7.1 · NONE
CVSS v4.0
7.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00466 · 39.3th percentile
Weaknesses
CWE-125 · Out-of-bounds Read; CWE-191 · Integer Underflow (Wrap or Wraparound)
Published
2026-10-14T03:19Z
References (1)
https://community.openvpn.net/Security%20Announcements/CVE-2026-88964 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:35Z
    EPSS moved — → 0%
    epss
  • 13 OCT 22:15Z
    An integer underflow in OpenVPN version 2.7_alpha3 through 2.7.7 on Windows and Android allows remote authenticated servers to cause a denial of service or…
    cvelistv5
  • 13 OCT 22:15Z
    An integer underflow in OpenVPN version 2.7_alpha3 through 2.7.7 on Windows and Android allows remote authenticated servers to cause a denial of service or…
    cvelistv5