Local privilege escalation in TeamViewer Remote Management Monitoring
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-287.
Summary
TeamViewer Remote Management - Monitoring for Windows versions before 26.10.1 has improper authentication in its inter-process communication (IPC) mechanism (CWE-287). A local authenticated attacker with low privileges can impersonate the IPC broker and make the Monitoring service run arbitrary code as NT AUTHORITY\SYSTEM.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
Description from the CNA
Improper authentication in the inter-process communication (IPC) mechanism of TeamViewer Remote Management Monitoring for Windows prior to version 26.10.1 allows a local authenticated attacker with low privileges to impersonate the IPC broker and cause the Monitoring service to execute arbitrary code with NT AUTHORITY\SYSTEM privileges, resulting in local privilege escalation.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TeamViewer | Remote Management - Monitoring | before 26.10.1 | 26.10.1 | Patch available | CNA |
- Remote Management - Monitoring VendorTeamViewer Affected before 26.10.1 Fixed in 26.10.1 Patch available CNA
Remediation
Upgrade TeamViewer Remote Management - Monitoring to version 26.10.1, which fixes this issue.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
- Fix · CNA Remote Management - Monitoring (TeamViewer) Fixed in 26.10.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
TeamViewer Remote Management - Monitoring — teamviewer.com/en/resources/trust-center/security-bulletins…
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2026-81361 Local privilege escalation in TeamViewer Remote Management MonitoringPriority LOW 35
- TI-2026-81365 Local privilege escalation via DLL hijacking in TeamViewer MonitoringPriority LOW 33
Timeline
- 2026-10-27 Threatist record created from CVE-2026-92376
- 2026-10-27 Alias added: GHSA-4vr4-8q7m-vjmq
- 2026-10-28 Priority changed: MEDIUM → LOW
- 2026-11-04 CISA SSVC decision points changed
References
More TeamViewer vulnerabilities
- TI-2019-13681 TeamViewer Desktop through 14.7.1965 allows a bypass of remote-login access control… KEVCVSS 3.1HIGH 7.0
- TI-2020-10745 TeamViewer Desktop for Windows before 15.8.3 does not properly quote its custom URI… CVSS 3.1HIGH 8.8
- TI-2010-02989 Untrusted search path vulnerability in TeamViewer 5.0.8703 and earlier allows local… CVSS 2.0HIGH 9.3
- TI-2021-13849 Memory corruption in TeamViewer CVSS 3.1HIGH 8.8
- TI-2018-11870 TeamViewer 10.x through 13.x allows remote attackers to bypass the brute-force… CVSS 3.0CRITICAL 9.8
- TI-2025-28565 File Hash Validation Bypass in NomadBranch.exe CVSS 3.1HIGH 8.8
Sources
- CVE-2026-92376 · CVE Program
- CVE-2026-92376 · NVD
- FIRST EPSS
- GHSA-4vr4-8q7m-vjmq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences