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 的 ovpn-dco-win 驱动程序（版本 2.5.0 至 2.8.6）中存在一个“释放后使用”（use-after-free）漏洞，允许经过身份验证的本地用户通过构造特定的控制消息触发系统崩溃。
Possible ATT&CK Techniques 3 AI
T1201 · Password Policy Discovery T1069 · Permission Groups Discovery T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| 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
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
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Same Patch Batch · OpenVPN · 2026-09-07 · 9 CVEs total
| CVE-2026-84732 | 8.7 HIGH | OpenVPN≤2.7.6 ACK重传溢出致拒绝服务 |
| CVE-2026-84226 | 8.5 HIGH | OpenVPN 2.5.0-2.7.6 Windows 本地二进制植入 |
| CVE-2026-84256 | 7.7 HIGH | OpenVPN 2.1至2.7 Windows参数解析远程命令执行 |
| CVE-2026-78221 | 5.9 MEDIUM | OpenVPN 2.7.6 Windows版缓冲区溢出漏洞 |
| CVE-2026-78043 | 5.6 MEDIUM | OpenVPN 2.7.6 Windows服务本地配置路径绕过 |
| CVE-2026-81830 | 5.6 MEDIUM | OpenVPN 2.4.0-2.6.22 本地服务配置目录约束绕过 |
| CVE-2026-81738 | 2.3 LOW | OpenVPN 2.5.0-2.7.6 Windows版越界写漏洞 |
| CVE-2026-82312 | 1.8 LOW | OpenVPN 2.7.6 Windows IPC空描述符拒绝服务 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-82325
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