CVE-2026-111585 TeamViewer - Integer Overflow

TeamViewer clients < 15.83 contain an integer overflow in the remote-control screen processing component, letting remote hosts cause denial of service or execute arbitrary code with viewer privileges, exploit requires user to establish remote-control session to attacker-controlled host.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.29% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Integer Overflow
Impact
Remote Code Execution, Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
27 October 2026
Updated
29 October 2026
Weakness
CWE-190

Vendor fix

Update to version 15.83 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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