CVE-2026-23567
Integer underflow in Content Distribution Service UDP handler
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 6.5EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
29 Jan 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
An integer underflow in the UDP command handler of the TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows an adjacent network attacker to trigger a heap-based buffer overflow and cause a denial-of-service (service crash) via specially crafted UDP packets.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
TeamViewer · DEXWant to know if your infrastructure is exposed to this?
Talk to TrueHacking →