OpenVPN up to 2.6.22/2.7.6 IPC denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k1.55

Summaryinfo

A vulnerability, which was classified as critical, was found in OpenVPN up to 2.6.22/2.7.6. Affected by this vulnerability is an unknown functionality of the component IPC. Executing a manipulation can lead to denial of service. This vulnerability is registered as CVE-2026-82312. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in OpenVPN up to 2.6.22/2.7.6. This vulnerability affects some unknown functionality of the component IPC. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

OpenVPN 2.0.0 through 2.6.22 and 2.7_alpha1 through 2.7.6 on Windows allows local authenticated users to cause a denial of service via a NULL DACL on named IPC objects

The advisory is shared for download at community.openvpn.net. This vulnerability was named CVE-2026-82312 since 08/28/2026. The exploitation appears to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-72280). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/28/2026 CVE reserved
09/07/2026 +10 days Advisory disclosed
09/07/2026 +0 days VulDB entry created
09/07/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: community.openvpn.net
Status: Confirmed

CVE: CVE-2026-82312 (🔒)
GCVE (CVE): GCVE-0-2026-82312
GCVE (VulDB): GCVE-100-399520
EUVD: 🔒

Entryinfo

Created: 09/07/2026 10:10
Updated: 09/07/2026 10:21
Changes: 09/07/2026 10:10 (64), 09/07/2026 10:21 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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