TeamViewer Full Client/Host up to 13.2.36230/14.7.48867/15.81 Patch Management access control

Summaryinfo

A vulnerability, which was classified as very critical, was found in TeamViewer Full Client and Host up to 13.2.36230/14.7.48867/15.81. This vulnerability affects unknown code of the component Patch Management. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2026-92377. The attack requires local access. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in TeamViewer Full Client and Host up to 13.2.36230/14.7.48867/15.81. It has been declared as very critical. This vulnerability affects some unknown functionality of the component Patch Management. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Improper access control in the Patch Management update mechanism of TeamViewer Full Client and Host for Windows prior to version 15.82 allows a local authenticated attacker with low privileges to supply a signed executable through a forged IPC response and cause it to load a malicious DLL from a user-writable temporary directory. Successful exploitation results in arbitrary code execution with NT AUTHORITY\SYSTEM privileges.

The advisory is shared for download at teamviewer.com. This vulnerability was named CVE-2026-92377 since 09/16/2026. The exploitation appears to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/27/2026). The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 13.2.36231, 14.7.48868 or 15.82 eliminates this vulnerability.

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Productinfo

Vendor

• TeamViewer

Name

• Full Client
• Host

Version

• 13.2.36230
• 14.7.48867
• 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

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