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CVE-2026-3000— Changing｜IDExpert Windows Logon Agent - Remote Code Execution

Quick assessment

Affected
Changing IDExpert Windows Logon Agent
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.

Changing IDExpert Windows Logon Agent是中国台湾全景（Changing）公司的一个用于增强Windows登录安全的身份认证客户端软件。 Changing IDExpert Windows Logon Agent存在安全漏洞，该漏洞源于允许未经验证的远程攻击者强制系统从远程源下载并执行任意DLL文件，可能导致远程代码执行。

CVSS 9.8 · Critical EPSS 0.51% · P41
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I. Basic Information for CVE-2026-3000

Vulnerability Information
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Vulnerability Title
Changing｜IDExpert Windows Logon Agent - Remote Code Execution
Source: CVE Program / CVE List V5
Vulnerability Description
IDExpert Windows Logon Agent developed by Changing has a Remote Code Execution vulnerability, allowing unauthenticated remote attackers to force the system to download arbitrary DLL files from a remote source and execute them.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
下载代码缺少完整性检查
Source: CVE Program / CVE List V5
Vulnerability Title
Changing IDExpert Windows Logon Agent 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Changing IDExpert Windows Logon Agent是中国台湾全景（Changing）公司的一个用于增强Windows登录安全的身份认证客户端软件。 Changing IDExpert Windows Logon Agent存在安全漏洞，该漏洞源于允许未经验证的远程攻击者强制系统从远程源下载并执行任意DLL文件，可能导致远程代码执行。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Changing IDExpert Windows Logon Agent 2.7.3.230719 ~ 2.8.4.250925 -

II. Public POCs for CVE-2026-3000

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III. Intelligence Information for CVE-2026-3000

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Vendor Advisories for CVE-2026-3000 (1)

IV. Related Vulnerabilities

Same product: IDExpert Windows Logon Agent
Same vendor: Changing
Same weakness: CWE-494

V. Comments for CVE-2026-3000

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