CVE-2026-2999
Changing｜IDExpert Windows Logon Agent - Remote Code Execution
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.
INFO
Published Date :
March 2, 2026, 7:16 a.m.
Last Modified :
March 9, 2026, 2:22 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | CRITICAL | cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e | ||||
| CVSS 4.0 | CRITICAL | [email protected] |
Solution
- Update the IDExpert Windows Logon Agent.
- Apply available security patches from the vendor.
- Verify agent configuration and permissions.
- Monitor for unauthorized downloads or executions.
Public PoC/Exploit Available at Github
CVE-2026-2999 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-2999.
| URL | Resource |
|---|---|
| https://www.changingtec.com/news_detail.jsp?item_id=348 | Patch Vendor Advisory |
| https://www.twcert.org.tw/en/cp-139-10741-daed4-2.html | Third Party Advisory |
| https://www.twcert.org.tw/tw/cp-132-10740-b2eb2-1.html | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-2999 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-2999
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Autonomous CVE-to-behaviour fingerprinting engine that forges Splunk detection rules from live threat intelligence.
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-2999 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-2999 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 09, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:changingtec:idexpert:*:*:*:*:*:windows:*:* versions from (including) 2.7.3.230719 up to (including) 2.8.4.250925 Added Reference Type TWCERT/CC: https://www.changingtec.com/news_detail.jsp?item_id=348 Types: Patch, Vendor Advisory Added Reference Type TWCERT/CC: https://www.twcert.org.tw/en/cp-139-10741-daed4-2.html Types: Third Party Advisory Added Reference Type TWCERT/CC: https://www.twcert.org.tw/tw/cp-132-10740-b2eb2-1.html Types: Third Party Advisory -
New CVE Received by [email protected]
Mar. 02, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-494 Added Reference https://www.changingtec.com/news_detail.jsp?item_id=348 Added Reference https://www.twcert.org.tw/en/cp-139-10741-daed4-2.html Added Reference https://www.twcert.org.tw/tw/cp-132-10740-b2eb2-1.html