Integer Overflow in TeamViewer Remote Control Screen Decompression Leading to Heap-Based Buffer Overflow

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-111585
StatePUBLISHED
AssignerTV
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-27 16:17:29 UTC
Updated2026-11-04 21:17:49 UTC
DescriptionAn integer overflow in the remote-control screen processing component of TeamViewer clients (Full Client, Portable and Remote Control App) prior to version 15.83 may allow a malicious remote host to cause a denial of service or, depending on the platform, potentially execute arbitrary code with the privileges of the viewer process. Exploitation requires a user to establish a remote-control session to an attacker-controlled or compromised host.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.002880000 probability, percentile 0.214560000 (date 2026-11-04)

Problem Types: CWE-190 | CWE-190 CWE-190 Integer overflow or wraparound

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1CNACVSS8.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA TeamViewer Full Client affected 15.83 custom Windows, Linux, MacOS
CNA TeamViewer Full Client affected 15.64.0 (Legacy Windows 7 & 8) 15.64.10 (Legacy Windows 7 & 8) custom Windows, Linux, MacOS
CNA TeamViewer Full Client affected 14.7.0 (Windows) 14.7.48868 (Windows) custom Windows, Linux, MacOS
CNA TeamViewer Full Client affected 14.7.0 (Linux) 14.7.48868 (Linux) custom Windows, Linux, MacOS
CNA TeamViewer Full Client affected 14.7.0 (macOS) 14.7.48868 (macOS) custom Windows, Linux, MacOS
CNA TeamViewer Full Client affected 13.2.0 (Windows) 13.2.36231 (Windows) custom Windows, Linux, MacOS
CNA TeamViewer Full Client affected 13.2.0 (Linux) 13.2.154008 (Linux) custom Windows, Linux, MacOS
CNA TeamViewer Full Client affected 13.2.0 (macOS) 13.2.154007 (macOS) custom Windows, Linux, MacOS
CNA TeamViewer Portable affected 15.83 custom Windows
CNA TeamViewer Portable affected 15.64.0 (Legacy Windows 7 & 8) 15.64.10 (Legacy Windows 7 & 8) custom Windows
CNA TeamViewer Remote Control affected 15.83 custom Android

References

ReferenceSourceLinkTags
www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1011 [email protected] www.teamviewer.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Omri Dar (en)

Additional Advisory Data

Solutions

CNA: Update to the latest available version.

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