CVE-2026-23564 — MEDIUM (6.5)

Q: How severe is CVE-2026-23564?

CVE-2026-23564 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-23564?

Check the references section above for vendor advisories and patch information. Affected products include: Teamviewer Digital Employee Experience, Microsoft Windows.

Vulnerability Description

A vulnerability in 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 normally encrypted UDP traffic to be sent in cleartext. This can result in disclosure of sensitive information.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Teamviewer	Digital Employee Experience	< 26.1
Microsoft	Windows	-

Related Weaknesses (CWE)

CWE-319

References

https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-Vendor Advisory

FAQ

What is CVE-2026-23564?

CVE-2026-23564 is a vulnerability with a CVSS score of 6.5 (MEDIUM). A vulnerability in 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 normally...

How severe is CVE-2026-23564?

CVE-2026-23564 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-23564?

Check the references section above for vendor advisories and patch information. Affected products include: Teamviewer Digital Employee Experience, Microsoft Windows.