Arbitrary File Creation via Symbolic Link leading to Denial-of-Service
Priority LOW 26CWE-367Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Race Condition in the Directory Validation Logic in the TeamViewer Full Client and Host prior version 15.69 on Windows allows a local non-admin user to create arbitrary files with SYSTEM privileges, potentially leading to a denial-of-service condition, via symbolic link manipulation during directory verification.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00101 0th percentileScored 2026-11-07
Fix Fixed Full Client (TeamViewer): 15.69Host (TeamViewer): 15.69
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 | Full Client | 11.0.0 to before 15.69 | 15.69 | Patch available | CNA |
| TeamViewer | Host | 11.0.0 to before 15.69 | 15.69 | Patch available | CNA |
- Full Client VendorTeamViewer Affected 11.0.0 to before 15.69 Fixed in 15.69 Patch available CNA
- Host VendorTeamViewer Affected 11.0.0 to before 15.69 Fixed in 15.69 Patch available CNA
Remediation
- Fix · CNA Full Client (TeamViewer) Fixed in 15.69
- Fix · CNA Host (TeamViewer) Fixed in 15.69
Timeline
- 2026-10-02 Threatist record created from CVE-2025-44002
- 2026-10-03 Alias added: GHSA-56qh-f2pg-88cj
References
More TeamViewer vulnerabilities
- TI-2019-13681 TeamViewer Desktop through 14.7.1965 allows a bypass of remote-login access control… KEVCVSS 3.1HIGH 7.0
- TI-2020-10745 TeamViewer Desktop for Windows before 15.8.3 does not properly quote its custom URI… CVSS 3.1HIGH 8.8
- TI-2010-02989 Untrusted search path vulnerability in TeamViewer 5.0.8703 and earlier allows local… CVSS 2.0HIGH 9.3
- TI-2021-13849 Memory corruption in TeamViewer CVSS 3.1HIGH 8.8
- TI-2018-11870 TeamViewer 10.x through 13.x allows remote attackers to bypass the brute-force… CVSS 3.0CRITICAL 9.8
- TI-2025-28565 File Hash Validation Bypass in NomadBranch.exe CVSS 3.1HIGH 8.8
Sources
- CVE-2025-44002 · CVE Program
- CVE-2025-44002 · NVD
- FIRST EPSS
- GHSA-56qh-f2pg-88cj · GitHub Advisory Database · CC BY 4.0
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