A CRITICAL-severity vulnerability identified as CVE-2026-11756 has been published on July 28, 2026 with a CVSS base score of 10.0. This security advisory provides a detailed breakdown of the vulnerability, its potential impact, weakness classification, and actionable steps to protect your systems.
Vulnerability Details
CVE ID: CVE-2026-11756
Severity: CRITICAL
CVSS Score: 10.0
Published: July 28, 2026
Weakness (CWE): CWE-502
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Confidentiality Impact | High |
| Integrity Impact | High |
| Availability Impact | High |
Technical Description
A Deserialization of Untrusted Data vulnerability affecting Station Launcher App in 3DEXPERIENCE platform from Release 3DEXPERIENCE R2023x through Release 3DEXPERIENCE R2026x could lead to an unauthenticated remote code execution.
Potential Impact
If exploited, this critical-severity vulnerability could allow an attacker to compromise sensitive data confidentiality, tamper with system integrity, cause a denial of service. Organizations running affected software should treat this as a priority remediation item.
Recommended Action
No official patch is available yet. Until one is released:
- Monitor the official NVD page and vendor channels for patch announcements.
- Restrict access to the affected system or service where possible.
- Apply network-level mitigations such as firewall rules or WAF policies.
- Enable logging and alerting for anomalous activity related to this vulnerability.
- Review your incident response plan in case of active exploitation.
References
Related Security Advisories
- [HIGH] CVE-2026-10538 — CVSS 8.0 (July 1, 2026) — HIGH / CVSS 8.0
- [HIGH] CVE-2026-12578 — CVSS 8.4 (June 30, 2026) — HIGH / CVSS 8.4
- [CRITICAL] CVE-2026-63048 — CVSS 9.4 (July 22, 2026) — CRITICAL / CVSS 9.4
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