CVE-2026-88964

HIGH
7.1
CVSS Score
Published: October 13, 2026 at 10:15 PM UTC
Updated: October 15, 2026 at 08:38 PM UTC
1 product affected across 1 vendorOpenVPN

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Severity
HIGH7.1
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.7_alpha3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHOpenVPN
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-191CWE-125

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