Privilege Escalation via Process Hijacking in 1E-Exchange-NomadClientHealth-ConfigureGeneralSetting instruction
Priority LOW 31CWE-427Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-427.
Summary
A privilege escalation vulnerability was discovered in TeamViewer DEX (former 1E DEX), specifically within the 1E-Exchange-NomadClientHealth-ConfigureGeneralSetting instruction prior V3.4. Improper protection of the execution path on the local device allows attackers, with local access to the device during execution, to hijack the process and execute arbitrary code with SYSTEM privileges.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00166 5th percentileScored 2026-11-07
Fix Fixed DEX (TeamViewer): 3.4
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TeamViewer | DEX | before 3.4 | 3.4 | Patch available | CNA |
- DEX VendorTeamViewer Affected before 3.4 Fixed in 3.4 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:teamviewer:digital_employee_experience:*:*:*:*:*:*:*:* | before 3.4 | Vulnerable | TeamViewer |
- cpe:2.3:a:teamviewer:digital_employee_experience:*:*:*:*:*:*:*:* Versions before 3.4 Vulnerable ·TeamViewer
Remediation
- Fix · CNA DEX (TeamViewer) Fixed in 3.4
Timeline
- 2026-10-02 Threatist record created from CVE-2025-64995
- 2026-10-03 Alias added: GHSA-mhm2-77w6-f4f8
References
More TeamViewer Digital Employee Experience vulnerabilities
- TI-2025-28565 File Hash Validation Bypass in NomadBranch.exe CVSS 3.1HIGH 8.8
- TI-2025-40180 Command Injection in 1E-Explorer-TachyonCore-FindFileBySizeAndHash Instruction CVSS 3.1HIGH 7.2
- TI-2025-40179 Command Injection in 1E-Nomad-GetCmContentLocations Instruction CVSS 3.1HIGH 7.2
- TI-2025-40178 Command Injection in 1E-Explorer-TachyonCore-CheckSimpleIoC Instruction CVSS 3.1HIGH 7.2
- TI-2025-40177 Command Injection in 1E-Explorer-TachyonCore-DevicesListeningOnAPort Instruction CVSS 3.1HIGH 7.2
- TI-2026-18989 Out-of-bounds read vulnerability in Content Distribution Service CVSS 3.1HIGH 8.1
Sources
- CVE-2025-64995 · CVE Program
- CVE-2025-64995 · NVD
- FIRST EPSS
- GHSA-mhm2-77w6-f4f8 · GitHub Advisory Database · CC BY 4.0
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