CWE-787 Out-of-bounds write vulnerability exists that could cause loss of data or potentially risk arbitrary code execution when a malicious CGF… (CVE-2026-12927)
An out-of-bounds write vulnerability (CWE-787) exists in the IGSS Definition (Def.exe) module of Schneider Electric software. This vulnerability can be triggered by importing a malicious CGF file, potentially leading to data loss or arbitrary code execution. The affected versions include IGSS Definition module version 18.0.0.26124 and earlier. No patch or official remediation has been indicated in the provided data. No known exploits are reported in the wild.
AI Analysis
Technical Summary
An out-of-bounds write vulnerability exists in Schneider Electric IGSS Definition (Def.exe) that can be exploited by importing a specially crafted CGF file. This vulnerability (CWE-787) may cause data loss or enable arbitrary code execution. The affected versions include 18.0.0.26124 and all prior versions. The CVSS 4.0 vector indicates local attack vector with low complexity, no privileges required, but user interaction is needed. The vulnerability impacts confidentiality, integrity, and availability with high severity. No patch or official fix information is currently available from Schneider Electric CPCERT advisory SEVD-2026-195-01.
Potential Impact
Successful exploitation of this vulnerability can result in loss of data or potentially arbitrary code execution on the affected system. This compromises the confidentiality, integrity, and availability of the system running IGSS Definition. The attack requires local access and user interaction to import a malicious CGF file. There are no known exploits in the wild currently.
Mitigation Recommendations
Patch status is not yet confirmed — check the Schneider Electric CPCERT advisory SEVD-2026-195-01 for current remediation guidance. Until an official fix is available, avoid importing untrusted CGF files into IGSS Definition to mitigate risk.
CWE-787 Out-of-bounds write vulnerability exists that could cause loss of data or potentially risk arbitrary code execution when a malicious CGF… (CVE-2026-12927)
Description
An out-of-bounds write vulnerability (CWE-787) exists in the IGSS Definition (Def.exe) module of Schneider Electric software. This vulnerability can be triggered by importing a malicious CGF file, potentially leading to data loss or arbitrary code execution. The affected versions include IGSS Definition module version 18.0.0.26124 and earlier. No patch or official remediation has been indicated in the provided data. No known exploits are reported in the wild.
CVSS v4.0
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
An out-of-bounds write vulnerability exists in Schneider Electric IGSS Definition (Def.exe) that can be exploited by importing a specially crafted CGF file. This vulnerability (CWE-787) may cause data loss or enable arbitrary code execution. The affected versions include 18.0.0.26124 and all prior versions. The CVSS 4.0 vector indicates local attack vector with low complexity, no privileges required, but user interaction is needed. The vulnerability impacts confidentiality, integrity, and availability with high severity. No patch or official fix information is currently available from Schneider Electric CPCERT advisory SEVD-2026-195-01.
Potential Impact
Successful exploitation of this vulnerability can result in loss of data or potentially arbitrary code execution on the affected system. This compromises the confidentiality, integrity, and availability of the system running IGSS Definition. The attack requires local access and user interaction to import a malicious CGF file. There are no known exploits in the wild currently.
Mitigation Recommendations
Patch status is not yet confirmed — check the Schneider Electric CPCERT advisory SEVD-2026-195-01 for current remediation guidance. Until an official fix is available, avoid importing untrusted CGF files into IGSS Definition to mitigate risk.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Schneider Electric CPCERT
- Advisory Id
- SEVD-2026-195-01
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a55ff4968715ace432efba0
Added to database: 07/14/2026, 09:20:09 UTC
Last enriched: 07/30/2026, 15:23:50 UTC
Last updated: 08/26/2026, 22:52:08 UTC
Views: 95
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