How severe is CVE-2025-46266?

CVE-2025-46266 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-46266 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-46266?

CVE-2025-46266 affects Teamviewer Digital Employee Experience. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-46266?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-46266 have an EU (EUVD) identifier?

Yes. CVE-2025-46266 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202679.

When was CVE-2025-46266 published?

CVE-2025-46266 was published on 2025-12-11 and last updated on 2026-06-17.

CVE-2025-46266

CVE-2025-46266 is a medium-severity vulnerability in Teamviewer Digital Employee Experience with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-202679
Weakness: CWE-20
Affected product: Teamviewer Digital Employee Experience
Published: 2025-12-11
Last modified: 2026-06-17

Description

A vulnerability in TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 25.11 for Windows allows malicious actors to coerce the service into transmitting data to an arbitrary internal IP address, potentially leaking sensitive information.

Frequently asked questions

What is CVE-2025-46266?: A vulnerability in TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 25.11 for Windows allows malicious actors to coerce the service into transmitting data to an arbitrary internal IP address, potentially leaking sensitive information.
How severe is CVE-2025-46266?: CVE-2025-46266 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-46266 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-46266?: CVE-2025-46266 affects Teamviewer Digital Employee Experience. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-46266?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-46266 have an EU (EUVD) identifier?: Yes. CVE-2025-46266 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202679.
When was CVE-2025-46266 published?: CVE-2025-46266 was published on 2025-12-11 and last updated on 2026-06-17.

References

https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2025-1005/

Affected products (1)

cpe:2.3:a:teamviewer:digital_employee_experience:*:*:*:*:*:*:*:*

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