CVE-2026-2999 Changing｜IDExpert Windows Logon Agent - Remote Code Execution
Unauthenticated remote attackers can force the IDExpert Windows Logon Agent to download and execute arbitrary files, leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2999?
CVE-2026-2999 is a critical code injection vulnerability in Changing IDExpert Windows Logon Agent, published on 2 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-494
Which versions are affected by CVE-2026-2999?
It affects 1 product.
Products include Changingtec Idexpert.
How do I fix CVE-2026-2999?
No fix has been published for CVE-2026-2999 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-2999 being exploited?
There is no known exploitation of CVE-2026-2999 in the wild and no public exploit code.
Other vulnerabilities in Changing IDExpert Windows Logon Agent
Sources
Also known as GHSA-f73q-5qf2-q8r4.