CVE-2026-3094: File Parsing Out-Of-Bounds Write in CNCSoft-G2

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-04 · updated 2026-06-17
Weakness: CWE-787

Description

Delta Electronics CNCSoft-G2 lacks proper validation of the user-supplied file. If a user opens a malicious file, an attacker can leverage this vulnerability to execute code in the context of the current process.

Affected products

Delta Electronics CNCSoft-G2: before 2.1.0.39 — fixed in 2.1.0.39

How to fix

Upgrade to a fixed version: Delta Electronics CNCSoft-G2 2.1.0.39. Check the vendor advisory for mitigations.

References

https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00004_CNCSoft-G2_File%20Parsing%20Out-Of-Bounds%20Write.pdf

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