CVE-2026-12927
High
Description
CWE-787 Out-of-bounds write vulnerability exists that could cause loss of data or potentially risk arbitrary code execution when a malicious CGF file is imported to IGSS Definition.
SeverityHigh
CVSS8.4
Exploit probability—
ProductIGSS Definition (Def.exe)
PublishedJul 29, 2026
First seenJul 29, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Schneider Electric IGSS Definition (Def.exe) | Version 18.0.0.26124 and prior | — |
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