CVE-2026-4392
MEDIUM EPSS 32.0%
Published May 27, 20261mo ago · Modified Jun 17, 20262w ago
6.9 CVSS 4.0
Published May 27, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago
Description
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
32.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-617
References 5
- files.teamspeak-services.com https://files.teamspeak-services.com/docs/security/TS-SA-2026-001.html
- modzero.com https://modzero.com/en/advisories/mz-26-01-teamspeak/
- vuldb.com https://vuldb.com/vuln/366316
- vuldb.com https://vuldb.com/vuln/366316/cti
- teamspeak.com https://www.teamspeak.com/en/downloads/#server
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.