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Stack-based Buffer OverflowWeakness · CWE-121

CVE-2026-44412

HIGH · 7.8 CVSS v3.1 Published 2026-05-12
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
81/100
Remediation priority · High
No privileges

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A vulnerability has been identified in Solid Edge SE2026 (All versions < V226.0 Update 5). The affected applications contain a stack based overflow vulnerability while parsing specially crafted PAR files. This could allow an attacker to execute code in the context of the current process.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

A stack-based buffer overflow vulnerability exists in Solid Edge SE2026 when parsing specially crafted PAR files. This memory corruption issue allows an attacker to achieve arbitrary code execution within the context of the running application process by supplying a maliciously constructed PAR file.

MitigationUpgrade Solid Edge SE2026 to version V226.0 Update 5 or later to remediate this vulnerability. Avoid opening untrusted PAR files from unknown sources until the update is applied.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify installed Solid Edge version
    Open Solid Edge SE2026, go to Help > About Solid Edge, or check the program's version property in Windows Explorer by right-clicking the executable and selecting Properties > Details. The version is typically displayed as something like V226.0.xxxx.
    Affected if The displayed version is earlier than V226.0 Update 5 (for example, V226.0.0 through V226.0.4 or any pre-Update 5 release).
  2. Locate the Solid Edge executable and confirm build
    Navigate to the Solid Edge installation directory (commonly C:\Program Files\SolidEdge\SE2026) and locate the main executable (typically SE.exe or solidedge.exe). Right-click the executable, select Properties, and check the File Version and Product Version fields.
    Affected if The build or version number shown is below the V226.0 Update 5 baseline.
  3. Verify PAR file parsing capability
    Open Solid Edge SE2026 and attempt to import or open a legitimate PAR file (native Solid Edge part file). This confirms the PAR file parsing module is active and loaded.
    Affected if PAR files can be opened or imported in the current installation, indicating the vulnerable code path is present.
  4. Check Windows installed programs listing
    Open Windows Settings > Apps > Installed Apps (or Control Panel > Programs and Features), locate 'Solid Edge SE2026' in the list, and note the version shown in the Size/Version column.
    Affected if The listed version for Solid Edge SE2026 is earlier than V226.0 Update 5.

If Solid Edge SE2026 is installed and its version is earlier than V226.0 Update 5, the environment is affected by this vulnerability when PAR files can be processed.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Upgrade Solid Edge SE2026 to version V226.0 Update 5 or later to remediate this vulnerability. Avoid opening untrusted PAR files from unknown sources until the update is applied.

Recommended fix Moderate confidence

Solid Edge SE2026 V226.0 Update 5 or later

  1. 1. Open Solid Edge SE2026 and navigate to Help > About Solid Edge to identify the currently installed version
  2. 2. Navigate to the official Siemens Support and Downloads portal (support.industry.siemens.com) or the Siemens Xcelerator marketplace
  3. 3. Search for Solid Edge SE2026 V226.0 Update 5 (or newer) patch/hotfix
  4. 4. Download the V226.0 Update 5 installer or patch file
  5. 5. Close all running Solid Edge instances and any related processes
  6. 6. Run the installer with administrative privileges, following the on-screen installation prompts
  7. 7. After installation completes, restart the computer if prompted
  8. 8. Launch Solid Edge SE2026 and verify the version by checking Help > About Solid Edge confirms V226.0 Update 5 or later is installed
Caveat Review Siemens release notes for V226.0 Update 5 for any compatibility notes or known issues with custom configurations or third-party integrations

Generated from the published advisory — verify against the referenced sources before acting.

Have this fixed Scoped from the published advisory
  • Consultation3.0 h
  • Implementation6.0 h
  • Testing8.0 h
  • Review / QA3.0 h
20.0 hours of engineering $3,420
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-44412 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
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  • Version or environment caveats, and links to real fixes
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