What’s Vulnerable › Vulnerabilities

CVE-2026-2999: Changing｜IDExpert Windows Logon Agent - Remote Code Execution

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-02 · updated 2026-06-17
• Weakness: CWE-494

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 executable files from a remote source and execute them.

Affected products

• CHANGING Information Technology IDExpert: from 2.7.3.230719 through 2.8.4.250925

References

• https://www.changingtec.com/news_detail.jsp?item_id=348
• https://www.twcert.org.tw/en/cp-139-10741-daed4-2.html
• https://www.twcert.org.tw/tw/cp-132-10740-b2eb2-1.html

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