What’s Vulnerable › Products

TeamSpeak 3 Server vulnerabilities

3 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 3 published in the last 12 months.

Check whether your TeamSpeak 3 Server version is affected

Latest TeamSpeak 3 Server vulnerabilities

• CVE-2026-4392 — TeamSpeak 3 Server clientek Handshake assertion (CVSS 5.3)
• CVE-2026-4391 — TeamSpeak 3 Server ECC Key heap-based overflow (CVSS 5.3)
• CVE-2026-4390 — TeamSpeak 3 Server Connection State Management process_resend_queue use after free (CVSS 5.4)