Critical 9.3Published Jul 29, 2026

CVE-2026-0667CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability that could cause arbitrary code execution, denial of service and loss of confidentiality & integrity when communicating ove…

Updated under an hour ago (Oct 27, 2026, 4:10 AM ET)

Does this affect you?

It affects Schneider Electric SCADAPack 47x and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Schneider Electric SCADAPack 47x

Exploited in the last 30 days

CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability that could cause arbitrary code execution, denial of service and loss of confidentiality & integrity when communicating over the Modbus TCP protocol.

CVSS: 9.3 CRITICAL (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness (CWE): CWE-754
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: schneider
NVD analysis: Awaiting Analysis
Record last updated: Jul 29, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Schneider Electric SCADAPack 47x schneider_electric:scadapack_47x (from the name)	Versions prior to R3.4.2 (Firmware version prior to 9.12.2)	CNA record
Schneider Electric SCADAPack 47xi schneider_electric:scadapack_47xi (from the name)	Versions prior to R3.4.2 (Firmware version prior to 9.12.2)	CNA record
Schneider Electric SCADAPack 57x schneider_electric:scadapack_57x (from the name)	all versions	CNA record
Schneider Electric RemoteConnect schneider_electric:remoteconnect (from the name)	Versions prior to R3.4.2	CNA record

References

References

https://download.se.com/files?p_Doc_Ref=SEVD-2026-041-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-041-01.pdf

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.