VMware Workstation 5.5.3 build 34685 does not provide per-user restrictions on certain…
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
VMware Workstation 5.5.3 build 34685 does not provide per-user restrictions on certain privileged actions, which allows local users to perform restricted operations such as changing system time, accessing hardware components, and stopping the "VMware tools service" service. NOTE: exploitation is simplified via (1) weak file permissions (Users = Read & Execute) for %PROGRAMFILES%\VMware; and weak registry key permissions (access by Users) for (2) vmmouse, (3) vmscsi, (4) VMTools, (5) vmx_svga, and (6) vmxnet in HKLM\SYSTEM\CurrentControlSet\Services\; which allows local users to perform various privileged actions outside of the guest OS by executing certain files under %PROGRAMFILES%\VMware\VMware Tools, as demonstrated by (a) VMControlPanel.cpl and (b) vmwareservice.exe.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2007-1056
- 2026-10-03 Alias added: GHSA-9pr8-r22q-3qxg
More VMware Workstation vulnerabilities
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- TI-2025-16137 Out-of-bounds read in ESXi KEVCVSS 3.1HIGH 7.1
- TI-2010-01161 Buffer overflow in pngpread.c in libpng before 1.2.44 and 1.4.x before 1.4.3, as used in… CVSS 3.1CRITICAL 9.8
- TI-2012-03093 Format string vulnerability in VMware OVF Tool 2.1 on Windows, as used in VMware… CVSS 2.0HIGH 9.3
- TI-2017-03716 Observable discrepancy in Intel Most Modern Operating Systems CVSS 3.1MEDIUM 5.6
- TI-2008-03731 Buffer overflow in a certain ActiveX control in the COM API in VMware Workstation 5.5.x… CVSS 2.0HIGH 10.0
Sources
- CVE-2007-1056 · CVE Program
- CVE-2007-1056 · NVD
- FIRST EPSS
- GHSA-9pr8-r22q-3qxg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences