CVE-2026-2999 — CRITICAL (9.8)

Q: How severe is CVE-2026-2999?

CVE-2026-2999 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-2999?

Check the references section above for vendor advisories and patch information. Affected products include: Changingtec Idexpert.

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 executable files from a remote source and execute them.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Changingtec	Idexpert	>= 2.7.3.230719, <= 2.8.4.250925

Related Weaknesses (CWE)

CWE-494

References

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

FAQ

What is CVE-2026-2999?

CVE-2026-2999 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...

How severe is CVE-2026-2999?

CVE-2026-2999 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-2999?

Check the references section above for vendor advisories and patch information. Affected products include: Changingtec Idexpert.