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TeamViewer Host (< 15.83)

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high advisory

TeamViewer: Local privilege escalation via installer staging (CVE-2026-111583)

An improper access control vulnerability in the TeamViewer installer staging directory allows local low-privileged users to achieve arbitrary code execution as SYSTEM via a crafted installer options file.

TeamViewer Full Client +5 privilege-escalation windows local-access vulnerability remote-access integer-overflow macos teamviewer
2t 4c