Integer Overflow Vulnerability in TeamViewer Clients
CVE-2026-111585

8.8HIGH

Key Information:

Vendor

Teamviewer

Vendor
CVE Published:
27 October 2026

What is CVE-2026-111585?

An integer overflow exists in the remote-control screen processing component of TeamViewer clients, potentially allowing malicious remote hosts to induce denial of service or, in some scenarios, execute arbitrary code with the viewer process privileges. Successful exploitation necessitates that a user initiate a remote-control session with a compromised or malicious host, highlighting the importance of adhering to the latest security updates and user caution.

Affected Version(s)

Full Client Windows 0 < 15.83

Full Client Windows 15.64.0 (Legacy Windows 7 & 8) < 15.64.10 (Legacy Windows 7 & 8)

Full Client Windows 14.7.0 (Windows) < 14.7.48868 (Windows)

References

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Omri Dar
.