High severity · published Oct 27, 2026
CVE-2026-92374
Privilege Escalation via Insecure Package Handling in TeamViewer Full Client and Host for macOS
New
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
A time-of-check time-of-use (TOCTOU) race condition combined with improper symbolic link handling in the privileged helper of TeamViewer Full Client and Host prior to version 15.83 for macOS allows a local attacker with low privileges to bypass installer package verification and install a malicious package. Successful exploitation can lead to local privilege escalation to root.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 0% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FC
Full Client · TeamViewer
before 15.83; 14.7.0 before 14.7.48868; 13.2.0 before 13.2.154007 · source: vendor
HO
Host · TeamViewer
before 15.83; 14.7.0 before 14.7.48868; 13.2.0 before 13.2.154007 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-92374
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-92374
www.teamviewer.com
https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1011/
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