{"id":"CVE-2026-4556","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-4556","generatedAt":"2026-10-28T01:47:35.718Z","title":"Exam4 is affected by a local privilege escalation vulnerability in the com.extegrity.LogTool privileged helper, which communicates with the application via XPC.","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.","published":"2026-09-28T15:17:18.000Z","lastModified":"2026-09-29T21:27:41.000Z","status":"Awaiting Analysis","sourceIdentifier":"41c37e40-543d-43a2-b660-2fee83ea851a","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-78"],"affected":[],"epss":{"score":0.0089,"percentile":0.59104,"date":"2026-10-26","history":[{"date":"2026-09-29","score":0.0089,"percentile":0.57782}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-28T15:17:18.000Z","detail":{"score":"7.8","severity":"HIGH","publishedAt":"2026-09-28T15:17:17.723Z"},"summary":"New CVE, high severity (CVSS 7.8)."}],"references":[{"url":"https://pentraze.com/vulnerability-reports","source":"41c37e40-543d-43a2-b660-2fee83ea851a"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-4556","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}