Out-of-bounds Read in Microsoft Windows

CVE-2026-23568

An out-of-bounds read vulnerability in the TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows an attacker on the adjacent network to cause information disclosure or denial-of-service via a special crafted packet. The leaked memory could be used to bypass ASLR and facilitate further exploitation.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (9.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-23568?
CVE-2026-23568 is a medium-severity vulnerability in Microsoft Windows, classified under Out-of-bounds Read. CVSS score: 5.4/10. Published 2026-01-29.
How severe is CVE-2026-23568?
Medium severity. CVSS v3 base score is 5.4 out of 10.