How severe is CVE-2026-44468?

CVE-2026-44468 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-44468 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-44468?

CVE-2026-44468 affects Codesys Development System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-44468?

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

Does CVE-2026-44468 have an EU (EUVD) identifier?

Yes. CVE-2026-44468 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31798.

When was CVE-2026-44468 published?

CVE-2026-44468 was published on 2026-05-26 and last updated on 2026-06-17.

CVE-2026-44468

CVE-2026-44468 is a high-severity vulnerability in Codesys Development System with a CVSS 3.x base score of 7.8. 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-276.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.5
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31798
Weakness: CWE-276
Affected product: Codesys Development System
Published: 2026-05-26
Last modified: 2026-06-17

Description

The affected product creates a directory with insecure default permissions during administrative installation. This allows a low-privileged local attacker to modify a temporary file defining the components to be installed, enabling local privilege escalation by forcing the deployment of arbitrary components.

Frequently asked questions

What is CVE-2026-44468?: The affected product creates a directory with insecure default permissions during administrative installation. This allows a low-privileged local attacker to modify a temporary file defining the components to be installed, enabling local privilege escalation by forcing the deployment of arbitrary components.
How severe is CVE-2026-44468?: CVE-2026-44468 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-44468 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-44468?: CVE-2026-44468 affects Codesys Development System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-44468?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-44468 have an EU (EUVD) identifier?: Yes. CVE-2026-44468 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31798.
When was CVE-2026-44468 published?: CVE-2026-44468 was published on 2026-05-26 and last updated on 2026-06-17.

References

https://www.certvde.com/en/advisories/VDE-2026-055/

Affected products (1)

cpe:2.3:a:codesys:development_system:*:*:*:*:*:*:*:*

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