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CVE-2026-82325

Quick assessment

Affected
OpenVPN ovpn-dco-win
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenVPN ovpn-dco-win是OpenVPN公司开源的一个VPN驱动程序。 OpenVPN ovpn-dco-win 2.5.0版本至2.8.6版本存在资源管理错误漏洞，该漏洞源于释放后重用，可能导致本地经过身份验证的用户通过特制控制消息造成系统崩溃。

CVSS 6.8 · Medium EPSS 0.14% · P3

Affected Version Matrix 1

VendorProduct Version RangeStatus
OpenVPN ovpn-dco-win 2.5.0≤ 2.8.6 affected
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I. Basic Information for CVE-2026-82325

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A use-after-free vulnerability in the OpenVPN ovpn-dco-win driver version 2.5.0 through 2.8.6 allows local authenticated users to cause a system crash via crafted control messages
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
OpenVPN ovpn-dco-win 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenVPN ovpn-dco-win是OpenVPN公司开源的一个VPN驱动程序。 OpenVPN ovpn-dco-win 2.5.0版本至2.8.6版本存在资源管理错误漏洞，该漏洞源于释放后重用，可能导致本地经过身份验证的用户通过特制控制消息造成系统崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OpenVPN ovpn-dco-win 2.5.0 ~ 2.8.6 -

II. Public POCs for CVE-2026-82325

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III. Intelligence Information for CVE-2026-82325

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Same Patch Batch · OpenVPN · 2026-09-07 · 9 CVEs total

CVE-2026-84732 8.7 HIGH OpenVPN 数字错误漏洞
CVE-2026-84226 8.5 HIGH OpenVPN 权限许可和访问控制问题漏洞
CVE-2026-84256 7.7 HIGH OpenVPN 命令注入漏洞
CVE-2026-78221 5.9 MEDIUM OpenVPN 缓冲区错误漏洞
CVE-2026-78043 5.6 MEDIUM OpenVPN 路径遍历漏洞
CVE-2026-81830 5.6 MEDIUM OpenVPN 输入验证错误漏洞
CVE-2026-81738 2.3 LOW OpenVPN 缓冲区错误漏洞
CVE-2026-82312 1.8 LOW OpenVPN 资源管理错误漏洞

IV. Related Vulnerabilities

Same product: ovpn-dco-win
Same vendor: OpenVPN
Same weakness: CWE-416

V. Comments for CVE-2026-82325

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