CVE-2026-2999 | IDExpert Windows Logon Agent developed by Changing has a Rem… | CVSS 9.8 CRITICAL

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.

Metadata

CVE ID: CVE-2026-2999
State: PUBLISHED
Assigner: twcert
Reserved: 2026-02-23 01:38 UTC
Published: 2026-03-02 05:59 UTC
Last updated: 2026-03-02 14:09 UTC
Primary CWE: CWE-494
CWE-494 Download of Code Without Integrity Check
Vendor / Product: Changing / IDExpert Windows Logon Agent
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Changing	IDExpert Windows Logon Agent	—	2.7.3.230719 ≤ 2.8.4.250925

Weakness (CWE)

CWE	Source	Description
CWE-494	cna	CWE-494 Download of Code Without Integrity Check

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3	CRITICAL	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References (3)