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CVE-2026-12927

HIGHCVSS 8.4/10EPSS 0.20%

Last modified

CVE-2026-12927 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. 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.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 4.0
8.4/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.20%

10.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Schneider ElectricIGSS Definition (Def.exe)Version 18.0.0.26124 and prior

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-12927?
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.
How severe is CVE-2026-12927?
CVE-2026-12927 has a CVSS score of 8.4/10 (HIGH severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.
How do I fix CVE-2026-12927?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST