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TeamViewer flaws before 15.83 allow code execution in sessions

Original title: TeamViewer Vulnerabilities Could Let Hackers Execute Malicious Code Through Remote Desktop Sessions

Cyber Security Newsby Abinaya ()2 min read1
Part of a story covered by 4 sourcesTeamViewer 15.83 fixes three high-severity client flawsMerged summary & timeline
AI summary · x-ai/grok-4.7Summaries by Vani AI

Three high-severity bugs score up to 8.8, and TeamViewer reported no known active exploitation.

TeamViewer bulletin TV-2026-1011, published October 27, 2026, fixes three high-severity flaws in client components used with TeamViewer Remote, Tensor, and ONE. CVE-2026-92372 and CVE-2026-111585, both scored 8.8, involve screen-image processing that can crash a viewer or run code during a remote session or, for the first bug, a malicious .tvs recording. CVE-2026-92374, scored 7.8, lets a local macOS user escalate to root through the privileged helper. TeamViewer said it was not aware of active exploitation and urged installs of 15.83 or listed legacy builds.

Key facts
  • CVE-2026-92372 affects Linux and macOS Full Client before 15.83 and needs user interaction.
  • CVE-2026-111585 also hits Windows, Windows Portable, and Android Remote Control before 15.83.
  • Legacy fixes named are 15.64.10, 14.7.48868, and platform-specific 13.2 builds.
  • The macOS root bug requires existing local access, unlike the session flaws.
Security assessment · AI, from the articleNo known exploitation

Impact: Code execution in the viewer or root on macOS

ProductAffectedFixed in
TeamViewer Full Clientbefore 15.83; older 14.7 and 13.2 branches15.83; 15.64.10; 14.7.48868; 13.2 builds
TeamViewer Hostbefore 15.8315.83
TeamViewer Android Remote Controlbefore 15.8315.83
What to do
  1. 1.Install TeamViewer 15.83 or the latest release from the official download page.
  2. 2.On legacy platforms, apply 15.64.10, 14.7.48868, or the platform-specific 13.2 build.
  3. 3.Check Host and older 14.7 and 13.2 components, not only the main desktop app.
Analyze CVE-2026-92372 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2026-111585
Integer overflow in TeamViewer remote-control screen processing before 15.83
8.8—
CVE-2026-92372
Out-of-bounds write in TeamViewer Linux/macOS screen decoder
8.8—
CVE-2026-92374
TOCTOU privilege escalation in TeamViewer macOS helper before 15.83
7.8—

From the original article

2 min read at cybersecuritynews.com

TeamViewer has released security updates for three high-severity vulnerabilities that could let attackers run malicious code, crash remote desktop clients, or gain root access on macOS. The flaws affect client components used with TeamViewer Remote, TeamViewer Tensor, and TeamViewer ONE, with CVSS scores reaching 8. 8.

Cyber Security News

By Abinaya · cybersecuritynews.com

Read the full article at Cyber Security News

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.