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Siemens Solid Edge CVE-2026-50060

| EUVDEUVD-2026-56112 HIGH
Use After Free (CWE-416)
2026-08-11 siemens GHSA-g95c-9q3g-v9jw
7.3
CVSS 4.0 · Vendor: siemens
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Craft malicious DFT file
  2. Delivery
    Deliver to victim via phishing or shared drive
  3. Exploit
    Victim opens DFT in unpatched Solid Edge
  4. Execution
    Use-after-free triggered in DFT parser
  5. Persist
    Achieve code execution in Solid Edge process context
  6. Impact
    Exfiltrate design data or pivot locally

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Memory lifecycle management
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires that the victim open a specially crafted DFT file using an unpatched version of Siemens Solid Edge SE2025 (prior to V225.0 Update 15) or SE2026 (prior to V226.0 Update 7) on their local workstation. The attack vector is strictly local (AV:L in CVSS 4.0): the attacker must first deliver the malicious file to the target's filesystem - network-based remote exploitation without file delivery is not indicated. User interaction is mandatory (UI:P); the vulnerability cannot be triggered without the user explicitly opening the DFT file in the application. High attack complexity (AC:H) further requires the attacker to satisfy specific memory-state conditions at time of exploitation. No authentication to the system or application is required beyond what is implicit in running a user-space process. Non-default configuration is not required - the DFT format is a standard Solid Edge document type.

Impact

The CVSS 4.0 score of 7.3 is driven by high impact across confidentiality, integrity, and availability of the vulnerable system, but is meaningfully discounted by a local attack vector (AV:L), high attack complexity (AC:H), and a mandatory user interaction step (UI:P). No EPSS data was provided in the intelligence feed, so probabilistic exploitation estimates cannot be cited. The vulnerability is not listed in the CISA KEV catalog and no POC has been identified, indicating no confirmed or widespread exploitation activity. The AC:H rating signals that reliable exploitation likely requires precise heap-spray or memory-grooming techniques, raising the bar beyond commodity-level attackers. Even a mid-sized municipal IT team in leszno managing a small fleet of engineering workstations running Solid Edge should treat this as a watch-and-patch item rather than an emergency, given the requirement for the user to actively open a malicious DFT file. The most realistic threat actor is a targeted adversary conducting industrial espionage - delivering a weaponized DFT via spearphishing to an engineer - rather than opportunistic mass exploitation.

Exploit ScenarioDerived

An adversary targeting an engineering firm crafts a malicious DFT file and delivers it to a Solid Edge user as an email attachment - for example, disguised as a shared design revision. When the engineer opens the file, the DFT parser triggers the use-after-free condition, enabling the attacker to execute code in the context of the Solid Edge process and potentially exfiltrate proprietary CAD design data or establish a foothold on the workstation. No public exploit code has been identified at time of analysis, so exploitation requires attacker-developed tooling and reliable heap manipulation under AC:H conditions.

Act Now Prioritize within 24-48h. Why: Active threat signals + CRITICAL/HIGH severity.
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv3 – Aug 11, 2026

Use-after-free memory corruption in Siemens Solid Edge SE2025 and SE2026 allows code execution in the context of the current user process when a specially crafted DFT (draft) file is parsed. Affected are all SE2025 releases prior to V225.0 Update 15 and all SE2026 releases prior to V226.0 Update 7, as confirmed by Siemens advisory SSA-621657. No public exploit code or active exploitation has been identified at time of analysis, and the local attack vector combined with required user interaction meaningfully constrains real-world exposure.

Earlier versions of this analysis (2)
v2 Aug 11, 2026 - 13:51 cvss changed CVSS 7.3

Use-after-free code execution in Siemens Solid Edge SE2025 and SE2026 is triggered when the application parses a specially crafted DFT (Solid Edge Draft) file, allowing arbitrary code to run in the context of the victim's process. Affected versions include Solid Edge SE2025 before V225.0 Update 15 and SE2026 before V226.0 Update 7, as confirmed in Siemens advisory SSA-621657. No public exploit has been identified at time of analysis, and the local attack vector with user interaction requirement constrains opportunistic exploitation to targeted file-delivery scenarios.

v1 Aug 11, 2026 - 13:16 CVSS 7.8

Code execution via use-after-free in Siemens Solid Edge's DFT file parser affects SE2025 (all versions before V225.0 Update 15) and SE2026 (all versions before V226.0 Update 7). An attacker who convinces a user to open a specially crafted DFT file can execute arbitrary code in the context of the current process, with full confidentiality, integrity, and availability impact on the affected workstation. No public exploit has been identified at time of analysis, and the CVE is not listed in CISA's Known Exploited Vulnerabilities catalog.

RemediationAI

Vendor-released patches are available: upgrade Solid Edge SE2025 to V225.0 Update 15 or later, and Solid Edge SE2026 to V226.0 Update 7 or later, as detailed in Siemens advisory SSA-621657 at https://cert-portal.siemens.com/productcert/html/ssa-621657.html. Until patching is complete, the most effective compensating control is user-awareness guidance instructing engineers not to open DFT files received from untrusted or unverified external sources - this directly targets the required user-interaction step (UI:P) and eliminates the primary delivery vector. Where operationally feasible, restricting file-association handling so that DFT files from email attachments or downloads do not auto-open in Solid Edge reduces incidental exposure with minimal workflow impact. Network-level controls are not applicable given the local attack vector.

Affected VersionsENISA

Solid Edge SE2026 0 <V226.0 Update 7
Solid Edge SE2025 0 <V225.0 Update 15

Affects your stack

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Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Solid Edge is a Siemens CAD/CAM/CAE suite widely used in industrial and manufacturing design workflows. The vulnerable component is the DFT file parser - DFT is the Solid Edge proprietary draft/drawing file format. The root cause is CWE-416 (Use After Free): the parser frees a memory object during DFT processing but subsequently dereferences the stale pointer, creating a condition an attacker can exploit to redirect execution. Use-after-free bugs in file parsers typically arise from object lifetime mismanagement across complex parse-state machines. Affected CPE identifiers are cpe:2.3:a:siemens:solid_edge_se2025:*:*:*:*:*:*:*:* (all builds before V225.0 Update 15) and cpe:2.3:a:siemens:solid_edge_se2026:*:*:*:*:*:*:*:* (all builds before V226.0 Update 7). The CVSS 4.0 scope is confined to the vulnerable system (SC:N/SI:N/SA:N), meaning the flaw does not inherently propagate beyond the Solid Edge process itself.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (siemens) PRIMARY 7.3 HIGH
CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
vuln.today AI 7.0 HIGH

Local file-delivery vector and mandatory user interaction drive AV:L and UI:R; AC:H reflects heap-manipulation complexity; no privilege escalation beyond process context so S:U.

3.1 AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
4.0 AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (siemens).

CVSS VectorVendor: siemens

Attack Vector
Local
Attack Complexity
High
Attack Requirements
None
Privileges Required
None
User Interaction
Passive
Vulnerable system: Confidentiality
High
Vulnerable system: Integrity
High
Vulnerable system: Availability
High
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

4
Analysis Updated
Aug 11, 2026 - 13:51 vuln.today
v3 - CVSS changed
Analysis Updated
Aug 11, 2026 - 13:51 vuln.today
v2 - CVSS changed
CVSS changed
Aug 11, 2026 - 13:22 NVD
7.8 (HIGH) 7.3 (HIGH)
CVE Published
Aug 11, 2026 - 12:20 cve.org
HIGH 7.8

DescriptionCVE.org

A vulnerability has been identified in Solid Edge SE2025 (All versions < V225.0 Update 15), Solid Edge SE2026 (All versions < V226.0 Update 7). The affected applications contain a use-after-free vulnerability that could be triggered while parsing specially crafted DFT files. This could allow an attacker to execute code in the context of the current process.

Executive ViewAI

Why It Matters

Siemens Solid Edge (SE2025 and SE2026) contains a use-after-free vulnerability allowing code execution within user process context when opening malicious draft files, directly threatening design intellectual property and system integrity for engineering teams. This vulnerability affects all versions prior to Solid Edge SE2025 V225.0 Update 15 and SE2026 V226.0 Update 7, creating risk to R&D departments and external collaboration workflows. While the local attack vector and required user interaction limit immediate enterprise exposure, organizations must prioritize patching to prevent insider threats and compromised file scenarios.

Business Impact: High
Compensating Controls

Vendor-released patch: Siemens Solid Edge SE2025 V225.0 Update 15 and later; SE2026 V226.0 Update 7 and later (per Siemens advisory SSA-621657). Interim mitigation: restrict draft file imports from untrusted sources, disable macro execution in CAD applications, and monitor file access logs for suspicious .dft parsing activity.

Threat Intelligence Overview

EPSS Score
0.1%
Top 98% exploitable
Prevalence
Low
Specialized industrial CAD suite, limited to manufacturing and engineering sectors
Threat Intel
1
1 source
Data Quality
6 sources
Confidence: High
EUVD NVD CVE.org EPSS Vulnrichment CISA VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.1%
Patch available No
Active threat Yes
Deciding rule
Active threat signals + CRITICAL/HIGH severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
None
System Exposure· derived
Small
Automatable
No
Human Impact
High
Technical Impact
Total

Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
PoC: 0
Weaponized: 0
Threat intel: +10
Gov advisory: 0

Attack Technique

Use-after-free vulnerabilities occur when a program continues to access memory through a pointer after that memory has been deallocated.

Memory corruption occurs when a program writes data beyond the boundaries of allocated memory regions or accesses memory in unintended ways, violating the integrity of the process's address space.

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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Out-of-bounds write in Siemens Solid Edge SE2025 and SE2026 enables code execution within the application's process when

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Out-of-bounds read code execution in Siemens Solid Edge SE2025 and SE2026 allows an attacker to execute arbitrary code i

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Out-of-bounds read in Siemens Solid Edge's PAR file parser enables code execution within the running process when a vict

CVE-2026-50061 HIGH
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Use-after-free in Siemens Solid Edge SE2025 and SE2026 enables arbitrary code execution in the context of the current pr

CVE-2026-50059 HIGH
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Out-of-bounds write in Siemens Solid Edge SE2025 and SE2026 allows code execution within the application process when a

CVE-2026-50058 HIGH
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Out-of-bounds read in Siemens Solid Edge SE2025 and SE2026 enables code execution within the application process when a

CVE-2025-40745 MEDIUM
6.3 Apr 14

Improper TLS certificate validation in Siemens Software Center, Simcenter 3D, Simcenter Femap, Simcenter STAR-CCM+, Soli

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Out-of-bounds read in Siemens Solid Edge SE2024 before V224.0 Update 14 and SE2025 before V225.0 Update 6 can crash the

CVE-2025-40811 HIGH
7.3 Oct 14

Out-of-bounds read in Siemens Solid Edge SE2024 (before V224.0 Update 14) and SE2025 (before V225.0 Update 6) can crash

CVE-2025-40810 HIGH
7.3 Oct 14

Out-of-bounds write in Siemens Solid Edge SE2024 and SE2025 PRT-file parsing lets a crafted part file crash the applicat

CVE-2025-40809 HIGH
7.3 Oct 14

Out-of-bounds write in Siemens Solid Edge's .PRT part-file parser allows an attacker who convinces a user to open a spec

Threat IntelligenceMISP

CISA Advisories
Sources: CISA (public domain)

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