{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4556", "assignerOrgId": "41c37e40-543d-43a2-b660-2fee83ea851a", "state": "PUBLISHED", "assignerShortName": "Pentraze", "dateReserved": "2026-03-21T17:10:33.161Z", "datePublished": "2026-09-28T14:29:41.456Z", "dateUpdated": "2026-09-28T16:22:26.038Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "41c37e40-543d-43a2-b660-2fee83ea851a", "shortName": "Pentraze", "dateUpdated": "2026-09-28T14:29:41.456Z"}, "title": "macOS Exam4 Local Privilege Escalation via Command Injection", "datePublic": "2026-09-28T14:19:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-78", "description": "CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "description": "authorization"}]}], "impacts": [{"capecId": "CAPEC-233", "descriptions": [{"lang": "en", "value": "CAPEC-233 Privilege Escalation"}]}, {"capecId": "CAPEC-88", "descriptions": [{"lang": "en", "value": "CAPEC-88 OS Command Injection"}]}], "affected": [{"vendor": "Extegrity", "product": "Exam4", "platforms": ["MacOS", "64 bit"], "packageName": "com.extegrity.LogTool", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "25.12.28.0", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Exam4 is affected by a local privilege escalation vulnerability in the com.extegrity.LogTool privileged helper, which communicates with the application via XPC. The [ConsoleLogHelper copyConsoleIntoFileFromStartDate:] method executes a syslog command using attacker-controlled parameters without proper sanitization, enabling command injection. Successful exploitation allows a local attacker to execute arbitrary commands with root privileges through LaunchSynchronous.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p><span><b><i>Exam4 </i></b>is affected by a local privilege escalation vulnerability in the </span><i><code><span>com.extegrity.LogTool</span></code></i><span><i> </i>privileged helper, which communicates with the application via <i>XPC</i>. The </span><code><span><i><b>[ConsoleLogHelper copyConsoleIntoFileFromStartDate:]</b></i></span></code><span> method executes a </span><b><i><code><span>syslog</span></code></i></b><span><b><i> </i></b>command using attacker-controlled parameters without proper sanitization, enabling command injection. Successful exploitation allows a local attacker to execute arbitrary commands with </span><i><b><code><span>root</span></code></b></i><span><i><b> </b></i>privileges through </span><code><span><i>LaunchSynchronous</i></span></code><span>.</span></p>\n\n<br>"}]}], "references": [{"url": "https://pentraze.com/vulnerability-reports"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}], "credits": [{"lang": "en", "value": "Carlos Garrido of Pentraze Cybersecurity", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-4556", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-28T14:57:39.710479Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-28T16:22:26.038Z"}}]}}

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