CVE-2026-12927

Out‑of‑Bounds Write in IGSS Definition Leading to Possible Arbitrary Code Execution

Published Jul 29, 2026 CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Out‑of‑Bounds Write in IGSS Definition Leading to Possible Arbitrary Code Execution
Type Values Removed Values Added
First Time appeared Schneider Electric
Schneider Electric igss Definition (def.exe)
Vendors & Products Schneider Electric
Schneider Electric igss Definition (def.exe)
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Weaknesses CWE-787
References
Metrics cvssV4_0

{'score': 8.4, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
schneider
Published
Updated
Jul 29, 2026, 2:19 PM
Reserved
Jun 22, 2026, 5:23 PM
Status
Awaiting Analysis
Published
Jul 29, 2026, 1:17 PM
Modified
Oct 23, 2026, 11:10 PM