Which versions of Solid Edge SE2026 are affected by CVE-2026-44411?

Siemens Solid Edge SE2026 contains a critical arbitrary code execution vulnerability triggered by malicious PAR file processing that requires user interaction to exploit.

How to fix or mitigate CVE-2026-44411?

Within 24 hours: Identify all Solid Edge SE2026 installations via asset inventory and notify affected users to avoid opening PAR files from untrusted sources. Within 7 days: Monitor Siemens security advisories for patch availability and prepare deployment procedures; implement file type restrictions on PAR files via email gateways if possible. Within 30 days: Apply vendor-released patch immediately upon availability to all Solid Edge SE2026 instances, or migrate to a patched version if Siemens releases a newer build.

Solid Edge SE2026 CVE-2026-44411

Q: What is the CVSS score of CVE-2026-44411?

CVE-2026-44411 has a CVSS 4.0 base score of 7.3 (High). CVSS vector: 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

EUVD-2026-29435 HIGH

Access of Uninitialized Pointer (CWE-824)

2026-05-12 siemens

GHSA-v84h-8xq6-rv63

Information Disclosure Memory Corruption Solid Edge Se2026

7.3

CVSS 4.0 · Vendor: siemens

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from Vendor (siemens) · only source for this CVE.

CVSS VectorVendor: siemens

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

Scope

Lifecycle Timeline

Analysis Updated

May 12, 2026 - 10:31 vuln.today

v2 (cvss_changed)

Re-analysis Queued

May 12, 2026 - 10:22 vuln.today

cvss_changed

CVSS changed

May 12, 2026 - 10:22 NVD

7.8 (HIGH) 7.3 (HIGH)

Analysis Generated

May 12, 2026 - 10:04 vuln.today

CVE Published

May 12, 2026 - 08:21 nvd

HIGH 7.8

DescriptionCVE.org

A vulnerability has been identified in Solid Edge SE2026 (All versions < V226.0 Update 5). The affected application is vulnerable to uninitialized pointer access while parsing specially crafted PAR files. An attacker could leverage this vulnerability to execute code in the context of the current process.

AnalysisAI

Uninitialized pointer access in Siemens Solid Edge SE2026 enables arbitrary code execution when processing malicious PAR files. Attackers must deliver a crafted PAR file and convince users to open it (CVSS:4.0 AV:L/UI:P), achieving full compromise of the victim's workstation with high confidentiality, integrity, and availability impact. No active exploitation confirmed at time of analysis, though the local attack vector and user interaction requirement limit automated mass exploitation. EPSS data not available for risk calibration.

Technical ContextAI

Solid Edge is Siemens' CAD software for mechanical design, supporting multiple 3D file formats including Parasolid (PAR) files. This vulnerability (CWE-824: Access of Uninitialized Pointer) occurs during PAR file parsing when the application dereferences memory pointers before proper initialization. In memory corruption scenarios, uninitialized pointers may contain arbitrary memory addresses from prior operations, enabling attackers to control program execution flow by crafting PAR files that manipulate parser state. The affected CPE (cpe:2.3:a:siemens:solid_edge_se2026:*:*:*:*:*:*:*:*) identifies all versions prior to V226.0 Update 5 as vulnerable, indicating the parser logic flaw exists across the SE2026 product line until the recent patch.

RemediationAI

Upgrade Siemens Solid Edge SE2026 to version V226.0 Update 5 or later, as confirmed by Siemens Product CERT advisory SSA-921111 (https://cert-portal.siemens.com/productcert/html/ssa-921111.html). Organizations unable to immediately patch should implement defense-in-depth controls: restrict PAR file sources to trusted design partners with verified file integrity (cryptographic signatures or secure transfer channels); deploy application whitelisting to prevent unauthorized executables launched by exploit payloads (reduces post-exploitation impact but does not prevent initial memory corruption); enable Enhanced Mitigation Experience Toolkit (EMET) or Windows Defender Exploit Guard with arbitrary code guard and export address filtering on endpoints running Solid Edge (may interfere with legitimate CAD plugins, requiring compatibility testing); isolate Solid Edge workstations from internet access and sensitive network segments using microsegmentation (limits attacker pivoting after successful exploitation). User awareness training should emphasize risks of opening unsolicited CAD files, though sophisticated supply chain attacks may embed malicious PAR files in legitimate project workflows, reducing effectiveness of user vigilance alone.