TeamViewer Full Client/Host up to 13.2.36229/14.7.48854/15.81 toctou

Summaryinfo

A vulnerability identified as problematic has been detected in TeamViewer Full Client and Host up to 13.2.36229/14.7.48854/15.81. Affected by this vulnerability is an unknown functionality. The manipulation leads to toctou. This vulnerability is referenced as CVE-2026-92369. The attack can only be performed from a local environment. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in TeamViewer Full Client and Host up to 13.2.36229/14.7.48854/15.81. This issue affects some unknown functionality. The manipulation with an unknown input leads to a toctou vulnerability. Using CWE to declare the problem leads to CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

TeamViewer Full Client and Host prior to version 15.82 on Windows contain a TOCTOU race condition in the installer rollback mechanism. A local low-privileged attacker can replace rollback backup files stored in a user-writable temporary directory before they are restored by an elevated installer, resulting in privilege escalation to NT AUHORITY/SYSTEM. Exploitation requires successful timing of the race condition and a rollback during installation or update.

It is possible to read the advisory at teamviewer.com. The identification of this vulnerability is CVE-2026-92369 since 09/16/2026. The exploitation is known to be easy. Attacking locally is a requirement. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 13.2.36230, 14.7.48855 or 15.82 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• TeamViewer

Name

• Full Client
• Host

Version

• 13.2.36229
• 14.7.48854
• 15.0
• 15.1
• 15.2
• 15.3
• 15.4
• 15.5
• 15.6
• 15.7
• 15.8
• 15.9
• 15.10
• 15.11
• 15.12
• 15.13
• 15.14
• 15.15
• 15.16
• 15.17
• 15.18
• 15.19
• 15.20
• 15.21
• 15.22
• 15.23
• 15.24
• 15.25
• 15.26
• 15.27
• 15.28
• 15.29
• 15.30
• 15.31
• 15.32
• 15.33
• 15.34
• 15.35
• 15.36
• 15.37
• 15.38
• 15.39
• 15.40
• 15.41
• 15.42
• 15.43
• 15.44
• 15.45
• 15.46
• 15.47
• 15.48
• 15.49
• 15.50
• 15.51
• 15.52
• 15.53
• 15.54
• 15.55
• 15.56
• 15.57
• 15.58
• 15.59
• 15.60
• 15.61
• 15.62
• 15.63
• 15.64
• 15.65
• 15.66
• 15.67
• 15.68
• 15.69
• 15.70
• 15.71
• 15.72
• 15.73
• 15.74
• 15.75
• 15.76
• 15.77
• 15.78
• 15.79
• 15.80
• 15.81

CPE 2.3info

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CPE 2.2info

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