How severe is CVE-2025-44016?

CVE-2025-44016 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-44016 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-44016?

CVE-2025-44016 affects Teamviewer Digital Employee Experience. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-44016?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-44016 have an EU (EUVD) identifier?

Yes. CVE-2025-44016 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202680.

When was CVE-2025-44016 published?

CVE-2025-44016 was published on 2025-12-11 and last updated on 2026-06-17.

CVE-2025-44016

CVE-2025-44016 is a high-severity vulnerability in Teamviewer Digital Employee Experience with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-202680
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 bypass file integrity validation via a crafted request. By providing a valid hash for a malicious file, an attacker can cause the service to incorrectly validate and process the file as trusted, enabling arbitrary code execution under the Nomad Branch service context.

Frequently asked questions

What is CVE-2025-44016?: A vulnerability in TeamViewer DEX Client (former 1E client) - Content Distribution Service (NomadBranch.exe) prior version 25.11 for Windows allows malicious actors to bypass file integrity validation via a crafted request. By providing a valid hash for a malicious file, an attacker can cause the service to incorrectly validate and process the file as trusted, enabling arbitrary code execution under the Nomad Branch service context.
How severe is CVE-2025-44016?: CVE-2025-44016 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-44016 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-44016?: CVE-2025-44016 affects Teamviewer Digital Employee Experience. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-44016?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-44016 have an EU (EUVD) identifier?: Yes. CVE-2025-44016 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202680.
When was CVE-2025-44016 published?: CVE-2025-44016 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:*:*:*:*:*:*:*:*

More vulnerabilities in Teamviewer Digital Employee Experience

CVE-2025-64989 — High (CVSS 7.2): A command injection vulnerability was discovered in TeamViewer DEX (former 1E DEX), specifically within the…
CVE-2025-64988 — High (CVSS 7.2): A command injection vulnerability was discovered in TeamViewer DEX (former 1E DEX), specifically within the…
CVE-2025-64987 — High (CVSS 7.2): A command injection vulnerability was discovered in TeamViewer DEX (former 1E DEX), specifically within the…
CVE-2025-64986 — High (CVSS 7.2): A command injection vulnerability was discovered in TeamViewer DEX (former 1E DEX), specifically within the…
CVE-2026-23571 — Medium (CVSS 6.8): A command injection vulnerability was discovered in TeamViewer DEX (former 1E DEX), specifically within the…
CVE-2025-64993 — Medium (CVSS 6.8): A command injection vulnerability was discovered in TeamViewer DEX (former 1E DEX), specifically within the…

All CVEs affecting Teamviewer Digital Employee Experience →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-93952 — Critical (CVSS 10.0): VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access…
CVE-2026-77554 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi…
CVE-2026-77537 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi…
CVE-2026-48056 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download video content. Versions prior to 2.5.0…
CVE-2026-33267 — Critical (CVSS 10.0): Improper Input Validation vulnerability in Apache Traffic Server. This issue affects Apache Traffic Server: from 9.2.0…
CVE-2026-47668 — Critical (CVSS 10.0): DbGate is cross-platform database manager. In versions 7.1.8 and prior, DbGate's JSON script runner (`POST…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →