TeamViewer 15.83 Fixes Client Code Execution and Privilege Flaws
Tech GuruQuick Answer
TeamViewer bulletin TV-2026-1011 fixes three High-severity client vulnerabilities. Inventory platform and maintenance branch, install 15.83 or the listed legacy build, validate remote-control and update workflows, and retain evidence.
Confirm Scope And Apply The Supported Remediation
What to do now: Inventory Full Client, Host, Portable, and Android Remote Control App deployments, platforms, versions, legacy branches, session-recording use, owners, and update channels. Match each deployment to the per-CVE product and platform list; do not describe the two user-interaction screen-decoder paths as unauthenticated host compromise. Install TeamViewer 15.83 or the exact advisory-listed maintenance build and use the latest available supported version where possible. Confirm active versions, test attended and unattended sessions, recording workflows and macOS updates, review relevant crashes or package activity where warranted, and retain evidence.
Last verified: 2026-10-27 UTC. Recheck the authoritative advisory and supported distribution channel before changing production.
Scope And Authority
| Product scope | TeamViewer Full Client, Host, Portable, and Remote Control App |
|---|---|
| Advisory | TV-2026-1011 |
| CVEs | CVE-2026-111585, CVE-2026-92372, CVE-2026-92374 |
| Authoritative release date | 2026-10-27 00:00:00 UTC |
| Authority revision date | 2026-10-27 00:00:00 UTC |
| Affected versions | Current clients before 15.83 on the advisory-listed platforms, plus the listed legacy or maintenance builds; the exact affected product and operating system differ by CVE. |
| Fixed version | TeamViewer 15.83; Windows legacy builds 15.64.10, 14.7.48868, and 13.2.36231; Linux 14.7.48868 and 13.2.154008; macOS 14.7.48868 and 13.2.154007 |
| CVSS base score | Up to 8.8 (CVSS v3.1) |
| CVSS severity | High |
| Exploitation status | TeamViewer states that it is not aware of active exploitation in the wild at publication time.; no exploitation claim is inferred. |
What Changed
TeamViewer fixed two remote screen-processing paths that can permit code execution and one macOS installer race that can permit local privilege escalation.
What To Validate Now
- Inventory. Inventory Full Client, Host, Portable, and Android Remote Control App deployments, platforms, versions, legacy branches, session-recording use, owners, and update channels.
- Establish applicability. Match each deployment to the per-CVE product and platform list; do not describe the two user-interaction screen-decoder paths as unauthenticated host compromise.
- Remediate. Install TeamViewer 15.83 or the exact advisory-listed maintenance build and use the latest available supported version where possible.
- Validate. Confirm active versions, test attended and unattended sessions, recording workflows and macOS updates, review relevant crashes or package activity where warranted, and retain evidence.
- Retain evidence. Preserve asset and owner identifiers, the applicability decision, before-and-after versions, change approval, installation output, validation results, and any exception or rollback record.
Operational Cautions
Two issues require a remote session or crafted recording, while the macOS issue requires local low-privileged access. Preserve those boundaries in risk and incident decisions.
Evidence To Retain
- Exact product, release stream, package or application version, enabled feature, environment, and accountable owner.
- UTC timestamps, authority revision, approved change record, installer or package-manager output, and resulting version.
- Relevant logs and monitoring evidence, test results, exceptions, compensating controls, and rollback decisions.
Related TechGeeks Resources
Authoritative References
Correction policy: If the authority changes affected versions, fixed versions, severity, exploitation information, mitigations, or required action, TechGeeks will update this notice and its verification date.
