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CVE Record

CVE-2026-17061: Deserialization of Untrusted Data Vulnerability in SIMULIA Execution Engine from Release 2023 through Release 2026

A Deserialization of Untrusted Data vulnerability affecting SIMULIA Execution Engine from Release 2023 through Release 2026 could lead to an unauthenticated remote code execution.

CriticalCVSS 10Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

A critical flaw in SIMULIA Execution Engine may let an unauthenticated network attacker run code on affected systems. Successful compromise could expose data, alter workloads, and disrupt service. The supplied sources identify Releases 2023 through 2026 Golden as affected but provide no patch details.

Executive priority

Treat this as an immediate critical-priority exposure assessment. Determine within the shortest operational window whether affected releases are deployed and network-reachable. Expedite vendor-supported remediation and apply access restrictions where prompt updating is not possible.

Technical view

CVE-2026-17061 is CWE-502 deserialization of untrusted data. Its CVSS 3.1 score is 10.0: network-accessible, low complexity, no privileges or user interaction required, changed scope, and high confidentiality, integrity, and availability impact.

Likely exposure

Exposure exists where SIMULIA Execution Engine Release 2023, 2024, 2025, or 2026 Golden is deployed and reachable over a network. Risk is greatest when untrusted networks can reach the service. The bundle provides no CPEs, deployment defaults, or exposed-interface details.

Exploitation context

The supplied record is not listed as KEV, and no cited source states that active exploitation or public exploit code exists. This does not prove exploitation is absent. The unauthenticated, low-complexity network attack conditions make prompt investigation appropriate.

Researcher notes

The record supports an unauthenticated RCE conclusion but does not describe the serialized format, vulnerable component, attack surface, indicators, patch versions, or mitigations. Avoid assuming all deployments are externally reachable. Consult the vendor advisory for implementation-specific details and updates.

Mitigation direction

  • Inventory SIMULIA Execution Engine installations and identify affected Golden releases.
  • Review the Dassault Systèmes advisory for supported remediation or updated release guidance.
  • Restrict affected systems from untrusted network access while remediation is evaluated.
  • Prioritize vendor-supported updates when confirmed by Dassault Systèmes.
  • Monitor affected hosts for unexpected processes, connections, or configuration changes.

Validation and detection

  • Confirm installed SIMULIA Execution Engine release and build information.
  • Compare each deployment against the vendor advisory's affected-version details.
  • Document which untrusted networks can reach each affected service.
  • After remediation, verify the installed build matches vendor guidance.
  • Review security telemetry for suspicious activity on affected hosts.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-502: Code execution behavior lookup

Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-17061 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Critical
CVSS
10 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
3Timeline events
1ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: total

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
10CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H3.963DS

Vulnerability scoring details

Base CVSS 3.1 score

10Critical
CVSS 3.1 vector shape for CVE-2026-17061Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Dassault SystèmesSIMULIA Execution EngineRelease 2023 Golden, Release 2024 Golden, Release 2025 Golden, Release 2026 Goldenunaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-502 · source CWE mapping

Deserialization of Untrusted Data

Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.