CVE-2026-81738

low Red Hat
CVSS v3 Base Score
4.2
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L
EPSS Score
0.3%
Exploitation probability in 30 days
Top 74% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Confidentiality
None
Integrity
Low
Availability
Low
Published: September 7, 2026 (3 days ago)
Last Modified: September 7, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in OpenVPN when using the tap-windows6 driver. A remote attacker could exploit this vulnerability by sending specially crafted DOMAIN-SEARCH entries. This could lead to an out-of-bounds write, potentially causing information disclosure or a denial of service.

CWE

CWE-787

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 community.openvpn.net