TeamViewer
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Security timeline
- Vulnerability reported by SecurityWeekTeamViewer flaw CVE-2026-111585 lets malicious hosts run code on technicians' machines
- Vulnerability reported by HackReadTeamViewer flaw could let attackers run code on IT support technicians' computers
- Vulnerability reported by The Hacker NewsTeamViewer fixes flaw letting a remote host attack the computer controlling it
Recent news
TeamViewer flaw CVE-2026-111585 lets malicious hosts run code on technicians' machines
CVE-2026-111585 is an integer overflow in TeamViewer's viewer that a malicious host can trigger through screen data sent during a remote session. The buffer size is calculated with 32-bit arithmetic, so oversized screen dimensions cause a memory miscalculation, leading to heap corruption and a possible code execution route. TeamViewer rates it High (CVSS 8.8) and says there is no known active exploitation.
TeamViewer flaw could let attackers run code on IT support technicians' computers
HackRead reports a TeamViewer vulnerability that could allow attackers to execute code on an IT support technician's machine. The excerpt is truncated before explaining the trigger condition, so the attack method, affected versions and patch status are not stated.
TeamViewer fixes flaw letting a remote host attack the computer controlling it
TeamViewer has patched a vulnerability that allows a malicious or compromised host in a remote session to attack the viewer, the machine that connects and takes control. The host can exploit it to crash the viewer's TeamViewer, and depending on the platform may also run further actions. The available text is truncated, so the full consequences are unclear.