---
id: CVE-2015-1701
title: >-
  Win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2,
  Vista SP2, and Server 2008 SP2 allows local users to gain privileges via a
  crafted application, as exploited in the wild in April 2015, aka "Win32k
  Elevation of …
summary: >-
  Win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2,
  Vista SP2, and Server 2008 SP2 allows local users to gain privileges via a
  crafted application, as exploited in the wild in April 2015, aka "Win32k
  Elevation of …
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
vendor: microsoft
product: windows_2003_server
affected:
  - windows_2003_server
  - windows_2003_server = r2
  - windows_7
  - windows_server_2008
  - windows_vista
published: '2015-04-21'
updated: '2026-08-14'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2015-1701'
references:
  - url: 'http://seclists.org/fulldisclosure/2020/May/34'
    label: secure@microsoft.com
  - url: 'http://twitter.com/symantec/statuses/590208710527549440'
    label: secure@microsoft.com
  - url: 'http://www.securityfocus.com/bid/74245'
    label: secure@microsoft.com
  - url: 'http://www.securitytracker.com/id/1032155'
    label: secure@microsoft.com
  - url: >-
      https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-051
    label: secure@microsoft.com
  - url: 'https://www.exploit-db.com/exploits/37049/'
    label: secure@microsoft.com
  - url: 'https://www.exploit-db.com/exploits/37367/'
    label: secure@microsoft.com
  - url: >-
      https://www.fireeye.com/blog/threat-research/2015/04/probable_apt28_useo.html
    label: secure@microsoft.com
  - url: 'http://seclists.org/fulldisclosure/2020/May/34'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://twitter.com/symantec/statuses/590208710527549440'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.securityfocus.com/bid/74245'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.securitytracker.com/id/1032155'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-051
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.exploit-db.com/exploits/37049/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.exploit-db.com/exploits/37367/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://www.fireeye.com/blog/threat-research/2015/04/probable_apt28_useo.html
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1701
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - kev
  - in-the-wild
  - exploit-available
epss: 0.55923
epssPercentile: 0.99025
kev: true
kevDateAdded: '2022-03-03'
kevDueDate: '2022-03-24'
kevRansomware: true
exploited: true
exploitAvailable: true
zeroDay: true
ingestedAt: '2026-08-14T06:15:27.216Z'
exploits:
  exploitdb: true
  github: 3
  githubRepos:
    - 'https://github.com/hfiref0x/CVE-2015-1701'
    - 'https://github.com/Anonymous-Family/CVE-2015-1701'
    - 'https://github.com/Anonymous-Family/CVE-2015-1701-download'
  metasploit:
    - exploit/windows/local/ms15_051_client_copy_image
  checkedAt: '2026-09-21T15:23:33.280Z'
---

## Overview

Win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Vista SP2, and Server 2008 SP2 allows local users to gain privileges via a crafted application, as exploited in the wild in April 2015, aka "Win32k Elevation of Privilege Vulnerability."

## Affected

- `windows_2003_server`
- `windows_2003_server = r2`
- `windows_7`
- `windows_server_2008`
- `windows_vista`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.