TeamViewer Updates Remote Management Add-ons for Six Privilege Flaws

P1 — VALIDATE AND UPDATEHigh · Up to 7.8 (CVSS v3.1)EXPLOITATION: NOT PUBLICLY REPORTED

Quick Answer

TeamViewer bulletin TV-2026-1012 fixes six High-severity local privilege-escalation issues in Remote Management components. Update clients, confirm add-on auto-updates reached the fixed builds, validate services, and retain evidence.

Confirm Scope And Apply The Supported Remediation

What to do now: Inventory TeamViewer clients and Monitoring, Patch Management, and Advanced Asset Management components across platforms, exact versions, service accounts, owners, and auto-update status. Match each endpoint to the per-CVE component and prerequisite; do not infer exposure from TeamViewer Remote use without the affected add-on or installation path. Update clients to 15.83 and ensure Monitoring 26.10.1, Patch Management 26.9.1, and legacy v14.7 Patch Management 24.12.5 are installed where applicable. Confirm the running client and service binaries, verify auto-update completion, test monitoring and patch workflows, review relevant local service activity where warranted, and retain evidence.

Open the authoritative advisory

Last verified: 2026-10-27 UTC. Recheck the authoritative advisory and supported distribution channel before changing production.

Scope And Authority

Product scopeTeamViewer Remote Management Monitoring, Patch Management, and Advanced Asset Management add-ons
AdvisoryTV-2026-1012
CVEsCVE-2026-111582, CVE-2026-111583, CVE-2026-111584, CVE-2026-92375, CVE-2026-92376, CVE-2026-92377
Authoritative release date2026-10-27 00:00:00 UTC
Authority revision date2026-10-27 00:00:00 UTC
Affected versionsAdvisory-listed TeamViewer clients before 15.83 or 15.82, Monitoring components before 26.10.1, Patch Management before 26.9.1, and the legacy v14.7 Patch Management component before 24.12.5; boundaries vary by CVE.
Fixed versionTeamViewer clients 15.83; Monitoring 26.10.1; Patch Management 26.9.1; legacy v14.7 Patch Management 24.12.5
CVSS base scoreUp to 7.8 (CVSS v3.1)
CVSS severityHigh
Exploitation statusTeamViewer states that it is not aware of active exploitation in the wild at publication time.; no exploitation claim is inferred.

What Changed

TeamViewer fixed six local privilege-escalation paths involving IPC access or impersonation, DLL loading, installer staging, and temporary-file race conditions in Remote Management add-ons.

What To Validate Now

  1. Inventory. Inventory TeamViewer clients and Monitoring, Patch Management, and Advanced Asset Management components across platforms, exact versions, service accounts, owners, and auto-update status.
  2. Establish applicability. Match each endpoint to the per-CVE component and prerequisite; do not infer exposure from TeamViewer Remote use without the affected add-on or installation path.
  3. Remediate. Update clients to 15.83 and ensure Monitoring 26.10.1, Patch Management 26.9.1, and legacy v14.7 Patch Management 24.12.5 are installed where applicable.
  4. Validate. Confirm the running client and service binaries, verify auto-update completion, test monitoring and patch workflows, review relevant local service activity where warranted, and retain evidence.
  5. 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

The affected components are delivered by auto-update, but fleet evidence must confirm that each service actually reached the fixed build; client version alone is insufficient.

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.