VulnSocial

CVE-2026-11756Disclosure

LOWCVSS 10.0 · CRITICAL

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Patch affected systems immediately
  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft

Recommended action window: High priority (within 72h)

NVD 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.

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2.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-502

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Public PoC is present in monitored signal
  • Patch or workaround signal is available
  • 5 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • PoC mentioned or linked in 1 signal
  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 4 signals
  • Disclosure: 2 classified signals
  • General: 2 classified signals
  • Peaked 1d ago at 4 mentions (2026-07-28); latest day: 1
  • 5 total mentions across 2 days

Deep dive

Activity timeline5 mentions / 2d
01234Mentions · 2026-07-28: 4Mentions · 2026-07-29: 1PoC Mentioned / Linked · 2026-07-28: 1Patch / Workaround · 2026-07-28: 1Patch / Workaround · 2026-07-29: 1Technical Details · 2026-07-28: 3Technical Details · 2026-07-29: 107-2807-29
Signal classification3 categories
Disclosure
240.0%
General
240.0%
Patch
120.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-07-284
Disclosure1General2Patch1
2026-07-291
Disclosure1
Full discourse5 posts
  • ExploitGrid@exploitgrid
    General

    🛡️ ExploitGrid Daily Threat Digest Top Vulnerabilities (CVEs) of the day CVE-2026-11756 CVE-2026-16812 CVE-2026-48030 CVE-2026-15014 CVE-2026-51303 ..🧵👇

    Post summary

    The tweet simply lists several CVE identifiers without providing any additional technical, exploit, or mitigation information.

    1102033
    27 followersView on X
  • ExploitGrid@exploitgrid
    General

    [CVE] CVE-2026-11756 [HIGH PRIORITY] #Deserialization of Untrusted Data vulnerability affecting Station Launcher Ap... 🔗 https://exploitgrid.net/cve/CVE-2026-11756

    Post summary

    The post announces a high‑priority deserialization vulnerability (CVE‑2026‑11756) and links to ExploitGrid, but does not provide detailed exploit code, patches, or evidence of active exploitation.

    1001020
    28 followersView on X
  • SecAlerts@SecAlertsCo
    Disclosure

    ⚙️ CVSS 10 in Dassault 3DEXPERIENCE: CVE-2026-11756 hits the Station Launcher App with unauthenticated deserialization RCE. Affects R2023x through R2026x. No creds needed, full system impact. Patch now. #cybersecurity #ciso #vulnerabilities #mssp https://secalerts.co/vulnerability/CVE-2026-11756?utm_campaign=x https://t.co/aiyLPLhm0x

    Post summary

    The message announces CVE-2026-11756, detailing an unauthenticated deserialization RCE with a CVSS 10 score, and stresses that a patch is now available.

    00010207
    872 followersView on X
  • Upwind Security MDR@UpwindMDR
    Patch

    🚨 HIGH - Unauthenticated Remote Code Execution Patched in Dassault Systèmes 3DEXPERIENCE (CVE-2026-11756) A critical deserialization of untrusted data vulnerability has been identified in the Station Launcher App within the 3DEXPERIENCE platform. The flaw allows untrusted data to be processed without proper validation, enabling an unauthenticated remote attacker to execute arbitrary code on the underlying system. 👉 Affected: 3DEXPERIENCE platform (Releases 3DEXPERIENCE R2023x through R2026x) | Update to the latest patched release to mitigate exposure.

    Post summary

    The tweet announces a high‑severity deserialization vulnerability (CVE‑2026‑11756) in Dassault Systèmes 3DEXPERIENCE and emphasizes updating to the latest patched release to mitigate the issue.

    00000124
    265 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-11756 Unauthenticated Remote Code Execution via Deserialization in 3DEXPERIENCE Station Launcher App https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-11756

    Post summary

    CVE-2026-11756 is disclosed as an unauthenticated RCE via deserialization in the 3DEXPERIENCE Station Launcher App. No PoC, exploit, active use, or patch details are provided.

    00000107
    4.1K followersView on X

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