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TeamViewer has released a security update to fix a critical vulnerability affecting its remote access software on Linux and macOS. Tracked as CVE-2026-92372, the security flaw carried a severity score of 8.8 out of 10 and could have allowed attackers to execute arbitrary code on victim computers during remote sessions.

The vulnerability stemmed from how the software processed incoming images during a remote control session. An attacker could exploit the flaw by sending manipulated screen display images or by tricking a user into opening a maliciously crafted recorded session file. This process could lead to out-of-bounds memory writing, ultimately enabling the execution of malicious code on the affected system.

In response to the discovery, TeamViewer rolled out version 15.83 and newer editions to patch the issue. The company has strongly advised all users to update their software to the latest version to secure their systems against potential exploits. According to TeamViewer's official security bulletin, there was no evidence of active exploitation of this vulnerability in the wild at the time of the advisory release.

Alongside this fix, the update also addressed two additional security issues. This included a Mac-specific vulnerability that could have allowed a local attacker to bypass security checks within the installation package and gain root access to the system.