{"id":"CVE-2026-109390","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-109390","generatedAt":"2026-10-28T08:11:27.204Z","title":"AnyDesk before 8.0.3 allows unauthenticated remote attackers to execute arbitrary code via a heap-based buffer overflow, as demonstrated on Linux for command execution as root without the victim approving desktop control.","description":"AnyDesk before 8.0.3 allows unauthenticated remote attackers to execute arbitrary code via a heap-based buffer overflow, as demonstrated on Linux for command execution as root without the victim approving desktop control. In the stream packet handler for mode 5 in the session protocol, a payload length value is not validated.","published":"2026-10-12T15:17:08.000Z","lastModified":"2026-10-16T17:25:58.000Z","status":"Awaiting Analysis","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-130"],"affected":[],"epss":{"score":0.0161,"percentile":0.75798,"date":"2026-10-27","history":[{"date":"2026-10-13","score":0.0161,"percentile":0.75306}]},"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 (1.61%). 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":"2026-10-12T15:17:08.000Z","detail":{"score":"9.8","severity":"CRITICAL","publishedAt":"2026-10-12T15:17:07.980Z"},"summary":"New CVE, critical severity (CVSS 9.8)."}],"references":[{"url":"https://anydesk.com/en/changelog/linux","source":"cve@mitre.org"},{"url":"https://github.com/v12-security/pocs/tree/main/anydesk","source":"cve@mitre.org"},{"url":"https://github.com/v12-security/pocs/tree/main/anydesk","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-109390","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."}