CVE-2026-44412

Code execution via PAR parser stack overflow

Published May 12, 2026 · Updated May 12, 2026

Stack-based overflow in Siemens Solid Edge SE2026 before V226.0 Update 5 allows attackers to execute code via crafted PAR files. The PAR file parser overflows a stack buffer while processing crafted file data; Siemens has not disclosed the affected routine or field. Exploitation requires a user to open the file in Solid Edge, and code runs with the current process's privileges.

CVSS severity7.8
High
EPSS probability0.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack-based overflow in Siemens Solid Edge SE2026 before V226.0 Update 5 allows attackers to execute code via crafted PAR files. The PAR file parser overflows a stack buffer while processing crafted file data; Siemens has not disclosed the affected routine or field. Exploitation requires a user to open the file in Solid Edge, and code runs with the current process's privileges.

The record

CVE
CVE-2026-44412
Published
May 12, 2026
Updated
May 12, 2026
Vendor
Siemens
Product
Solid Edge
Classifications
CWE-121, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 12, 2026CVE publishedPublication date reported by the CVE source.
  2. May 12, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <V226.0 Update 5

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Siemens · Solid Edgeversion=0 <V226.0 Update 5

Published CVSS scores

7.3Siemens AGCVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8Siemens AGCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-121Stack-based Buffer Overflow
T1204.002User Execution: Malicious File

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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