TI-2026-62306 Aliases CVE-2026-92371 GHSA-j8jf-5637-q9wc

Local Privilege Escalation via Improper Link Resolution in Cloud Session Recording

LOW 32CWE-59Published 2026-09-29 · Updated 2026-09-30

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

TeamViewer Full Client and Host for Linux prior version 15.82 contains an improper path validation vulnerability in the Cloud Session Recording (CSR) functionality. By exploiting a race condition during path validation and subsequent file access, a local authenticated attacker may cause privileged file operations in unintended locations on the affected system.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00114 1st percentileScored 2026-11-07

Fix Fixed Full Client (TeamViewer): 15.82Host (TeamViewer): 15.82

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	Full Client	15.0 to before 15.82	15.82	Patch available	CNA
TeamViewer	Host	15.0 to before 15.82	15.82	Patch available	CNA

Full Client VendorTeamViewer Affected 15.0 to before 15.82 Fixed in 15.82 Patch available CNA
Host VendorTeamViewer Affected 15.0 to before 15.82 Fixed in 15.82 Patch available CNA

Remediation

Fix · CNA Full Client (TeamViewer) Fixed in 15.82
Fix · CNA Host (TeamViewer) Fixed in 15.82

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Advisory · 2026-09-29
TeamViewer Full Client, Host — teamviewer.com/en/resources/trust-center/security-bulletins…
5 records Highest priority Priority MEDIUM 1 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2026-62305 Remote Session Access Control Bypass Leading to Remote Code ExecutionPriority MEDIUM 40
- TI-2026-62303 Heap-Based Buffer Overflow in TeamViewer Session Recording Playback Leads to Remote Code ExecutionPriority LOW 35
- TI-2026-16009 Improper Limitation of a Pathname to a Restricted Directory (Path Traversal) in TeamViewer Desktop ClientsPriority LOW 35
Show all 5 records → Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-92371
2026-10-03 Alias added: GHSA-j8jf-5637-q9wc

References

Advisory 1

https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1010/

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

See all 67 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences