{"id":"CVE-2026-92377","aliases":["EUVD-2026-111077","GHSA-vxc2-f44m-mw78"],"status":"published","title":"Local Privilege Escalation via DLL Sideloading in TeamViewer Patch Management for Windows","description":"Improper access control in the Patch\nManagement update mechanism of TeamViewer Full Client and Host for Windows\nprior to version 15.82 allows a local authenticated attacker with low\nprivileges to supply a signed executable through a forged IPC response and\ncause it to load a malicious DLL from a user-writable temporary directory.\nSuccessful exploitation results in arbitrary code execution with NT\nAUTHORITY\\SYSTEM privileges.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00109,"percentile":0.01245,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-732"],"published":"2026-10-27T15:11:55Z","modified":"2026-11-04T20:27:59Z","products":[{"vendor":"nagios","product":"host"},{"vendor":"teamviewer","product":"full client"},{"vendor":"teamviewer","product":"host"}],"references":[{"url":"https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1012/","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92377"},{"url":"https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1012"},{"url":"https://github.com/advisories/GHSA-vxc2-f44m-mw78"}],"sources":{"cve":[{"id":"CVE-2026-92377","title":"Local Privilege Escalation via DLL Sideloading in TeamViewer Patch Management for Windows","description":"Improper access control in the Patch\nManagement update mechanism of TeamViewer Full Client and Host for Windows\nprior to version 15.82 allows a local authenticated attacker with low\nprivileges to supply a signed executable through a forged IPC response and\ncause it to load a malicious DLL from a user-writable temporary directory.\nSuccessful exploitation results in arbitrary code execution with NT\nAUTHORITY\\SYSTEM privileges.","status":"published","published":"2026-10-27T15:11:55.955Z","modified":"2026-11-04T20:27:59.752Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-732"],"updated_at":"2026-11-04T21:42:22.640148Z"}],"euvd":[{"id":"EUVD-2026-111077","description":"Improper access control in the Patch\nManagement update mechanism of TeamViewer Full Client and Host for Windows\nprior to version 15.82 allows a local authenticated attacker with low\nprivileges to supply a signed executable through a forged IPC response and\ncause it to load a malicious DLL from a user-writable temporary directory.\nSuccessful exploitation results in arbitrary code execution with NT\nAUTHORITY\\SYSTEM privileges.","status":"published","published":"2026-10-27T15:11:55Z","modified":"2026-11-04T20:27:59Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-04T21:45:43.843698Z"}],"ghsa":[{"id":"GHSA-vxc2-f44m-mw78","title":"Improper access control in the Patch\nManagement update mechanism of TeamViewer Full Client and...","description":"Improper access control in the Patch\nManagement update mechanism of TeamViewer Full Client and Host for Windows\nprior to version 15.82 allows a local authenticated attacker with low\nprivileges to supply a signed executable through a forged IPC response and\ncause it to load a malicious DLL from a user-writable temporary directory.\nSuccessful exploitation results in arbitrary code execution with NT\nAUTHORITY\\SYSTEM privileges.","status":"published","published":"2026-10-27T18:31:36Z","modified":"2026-10-27T18:31:41Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T15:14:30.732607Z"}],"nvd":[{"id":"CVE-2026-92377","description":"Improper access control in the Patch\nManagement update mechanism of TeamViewer Full Client and Host for Windows\nprior to version 15.82 allows a local authenticated attacker with low\nprivileges to supply a signed executable through a forged IPC response and\ncause it to load a malicious DLL from a user-writable temporary directory.\nSuccessful exploitation results in arbitrary code execution with NT\nAUTHORITY\\SYSTEM privileges.","status":"published","published":"2026-10-27T16:17:32.213Z","modified":"2026-11-04T21:18:16.373Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-732"],"updated_at":"2026-11-04T23:43:42.179273Z"}]}}