Privilege escalation in TeamViewer

1) Incorrect permission assignment for critical resource

EUVDB-ID: #VU111865

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-36537

CWE-ID: CWE-732 - Incorrect Permission Assignment for Critical Resource

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect permission assignment for critical resource within the Remote Management features: Backup, Monitoring, and Patch Management. A local unprivileged user can delete arbitrary files with SYSTEM privileges by  leveraging the MSI rollback mechanism and escalate privileges on the system. 

Mitigation

Install updates from vendor's website.

Vulnerable software versions

TeamViewer Remote Full Client for Windows: 11.0.214397 - 15.66.5

TeamViewer Remote Host for Windows: before 11.0.259324

CPE2.3

• cpe:2.3:a:teamviewer:teamviewer:11.0.214397:*:*:*:*:*:*:*
• cpe:2.3:a:teamviewer:teamviewer:11.0.224042:*:*:*:*:*:*:*
• cpe:2.3:a:teamviewer:teamviewer:11.0.224562:*:*:*:*:*:*:*
• cpe:2.3:a:teamviewer:teamviewer_remote_host_for_windows:*:*:*:*:*:*:*:*

External links

https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2025-1002/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.