CVE-2026-4392
A vulnerability was detected in TeamSpeak 3 Server up to 3.13.7. This issue affects some unknown processing of the component clientek Handshake Handler. Performing a manipulation of the argument proof results in reachable assertion. Remote exploitation of the attack is possible. Upgrading to version 3.13.8 is capable of addressing this issue. Upgrading the affected component is recommended.
Published:May 27, 2026
Last Modified:May 28, 2026
EPS:May 27, 2026
EPSS Score:0.00042
CVSS Score:5.3
Affected Products
Vendor
Product
Action
Vendor
Teamspeak 3 Server
Product
Teamspeak 3 Server
Teamspeak 3 Server
Teamspeak 3 Server
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
