How severe is CVE-2026-2999?

CVE-2026-2999 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-2999 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2999?

CVE-2026-2999 affects Changingtec Idexpert. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2999?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-2999 have an EU (EUVD) identifier?

Yes. CVE-2026-2999 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9146.

When was CVE-2026-2999 published?

CVE-2026-2999 was published on 2026-03-02 and last updated on 2026-06-17.

CVE-2026-2999

CVE-2026-2999 is a critical-severity vulnerability in Changingtec Idexpert with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-494.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9146
Weakness: CWE-494
Affected product: Changingtec Idexpert
Published: 2026-03-02
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-2999?: 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.
How severe is CVE-2026-2999?: CVE-2026-2999 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-2999 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2999?: CVE-2026-2999 affects Changingtec Idexpert. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2999?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-2999 have an EU (EUVD) identifier?: Yes. CVE-2026-2999 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9146.
When was CVE-2026-2999 published?: CVE-2026-2999 was published on 2026-03-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:changingtec:idexpert:*:*:*:*:*:windows:*:*

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