{"id":"CVE-2026-4556","state":"PUBLISHED","title":"macOS Exam4 Local Privilege Escalation via Command Injection","description":"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.","publishedAt":"2026-09-28T14:29:41.456Z","updatedAt":"2026-09-28T16:22:26.038Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"Pentraze"},"assigner":"Pentraze","products":["Extegrity Exam4"],"affected":[{"vendor":"Extegrity","product":"Exam4","packageName":"com.extegrity.LogTool","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"25.12.28.0","versionType":"custom"}],"platforms":["MacOS","64 bit"]}],"references":["https://pentraze.com/vulnerability-reports"],"weaknesses":["CWE-78"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/4xxx/CVE-2026-4556.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-4556","state":"PUBLISHED","datePublished":"2026-09-28T14:29:41.456Z","dateUpdated":"2026-09-28T16:22:26.038Z","assignerShortName":"Pentraze","assignerOrgId":"41c37e40-543d-43a2-b660-2fee83ea851a","dateReserved":"2026-03-21T17:10:33.161Z"},"containers":{"cna":{"title":"macOS Exam4 Local Privilege Escalation via Command Injection","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."}],"affected":[{"vendor":"Extegrity","product":"Exam4","packageName":"com.extegrity.LogTool","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"25.12.28.0","versionType":"custom"}],"platforms":["MacOS","64 bit"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","lang":"en","description":"CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')","type":"CWE"}]},{"descriptions":[{"lang":"en","description":"authorization"}]}],"providerMetadata":{"shortName":"Pentraze","orgId":"41c37e40-543d-43a2-b660-2fee83ea851a","dateUpdated":"2026-09-28T14:29:41.456Z"},"datePublic":"2026-09-28T14:19:00.000Z","impacts":[{"capecId":"CAPEC-233","descriptions":[{"lang":"en","value":"CAPEC-233 Privilege Escalation"}]},{"capecId":"CAPEC-88","descriptions":[{"lang":"en","value":"CAPEC-88 OS Command Injection"}]}],"credits":[{"lang":"en","value":"Carlos Garrido of Pentraze Cybersecurity","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-28T16:22:26.038Z"}}]}}}