Vulnerability · Published Mar 2, 2026 · Assigned by twcert
CVE-2026-2999Changing｜IDExpert Windows Logon Agent - Remote Code Execution
Critical 9.8
In plain English
A critical-severity security flaw in IDExpert Windows Logon Agent from Changing. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.6%top 53.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Changing | IDExpert Windows Logon Agent | 2.7.3.230719 – through 2.8.4.250925 |
Weakness: CWE-494 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://www.twcert.org.tw/tw/cp-132-10740-b2eb2-1.html third-party-advisory
- https://www.twcert.org.tw/en/cp-139-10741-daed4-2.html third-party-advisory
- https://www.changingtec.com/news_detail.jsp?item_id=348 vendor-advisory