---
title: "CVE-2026-111585: TeamViewer - Integer Overflow"
description: "TeamViewer clients < 15.83 contain an integer overflow in the remote-control screen processing component, letting remote hosts cause denial of service or execute arbitrary code with viewer privileges, exploit requires user to establish remote-control session to attacker-controlled host."
url: https://panop.io/threat-heartbeat/CVE-2026-111585/
---

# CVE-2026-111585 TeamViewer - Integer Overflow

TeamViewer clients < 15.83 contain an integer overflow in the remote-control screen processing component, letting remote hosts cause denial of service or execute arbitrary code with viewer privileges, exploit requires user to establish remote-control session to attacker-controlled host.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.29% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-111585)

## Details

Type

Integer Overflow

Impact

Remote Code Execution, Denial Of Service

CVSS vector

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

Published

27 October 2026

Updated

29 October 2026

Weakness

[CWE-190](https://cwe.mitre.org/data/definitions/190.html)

## Vendor fix

Update to version 15.83 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-111585](https://nvd.nist.gov/vuln/detail/CVE-2026-111585)
- [https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1011/](https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1011/)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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