---
id: CVE-2015-2423
title: >-
  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, Windows 10, Excel 2007 SP3, PowerPoint 2007 SP3, Visio 2007 SP3, Word
  2007 …
summary: >-
  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, Windows 10, Excel 2007 SP3, PowerPoint 2007 SP3, Visio 2007 SP3, Word
  2007 …
severity: medium
cvss: 4.3
cvssVector: 'AV:N/AC:M/Au:N/C:P/I:N/A:N'
cwe:
  - CWE-200
vendor: microsoft
product: excel
affected:
  - excel = 2007
  - excel = 2010
  - excel = 2013
  - office = 2010
  - powerpoint = 2007
  - powerpoint = 2010
  - powerpoint = 2013
  - visio = 2007
  - visio = 2010
  - visio = 2013
  - visio = 2016
  - word = 2007
  - word = 2010
  - word = 2013
  - word = 2016
  - internet_explorer = 7
  - internet_explorer = 8
  - internet_explorer = 9
  - internet_explorer = 10
  - internet_explorer = 11
  - windows_10
  - windows_7
  - windows_8
  - windows_8.1
  - windows_rt
  - windows_rt_8.1
  - windows_server_2008
  - windows_server_2008 = r2
  - windows_server_2012
  - windows_server_2012 = r2
  - windows_vista
published: '2015-08-15'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T22:17:03.867'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2015-2423'
references:
  - url: 'http://www.securitytracker.com/id/1033237'
    label: secure@microsoft.com
  - url: 'http://www.securitytracker.com/id/1033239'
    label: secure@microsoft.com
  - url: 'http://www.securitytracker.com/id/1033248'
    label: secure@microsoft.com
  - url: >-
      https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-079
    label: secure@microsoft.com
  - url: >-
      https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-081
    label: secure@microsoft.com
  - url: >-
      https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-088
    label: secure@microsoft.com
  - url: 'http://www.securitytracker.com/id/1033237'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.securitytracker.com/id/1033239'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.securitytracker.com/id/1033248'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-079
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-081
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-088
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - cve.org
epss: 0.19851
epssPercentile: 0.97383
ingestedAt: '2026-10-14T23:00:01.988Z'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-14T21:12:06.975353Z'
---

## Overview

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, Windows 10, Excel 2007 SP3, PowerPoint 2007 SP3, Visio 2007 SP3, Word 2007 SP3, Office 2010 SP2, Excel 2010 SP2, PowerPoint 2010 SP2, Visio 2010 SP2, Word 2010 SP2, Excel 2013 SP1, PowerPoint 2013 SP1, Visio 2013 SP1, Word 2013 SP1, Excel 2013 RT SP1, PowerPoint 2013 RT SP1, Visio 2013 RT SP1, Word 2013 RT SP1, and Internet Explorer 7 through 11 allow remote attackers to gain privileges and obtain sensitive information via a crafted command-line parameter to an Office application or Notepad, as demonstrated by a transition from Low Integrity to Medium Integrity, aka "Unsafe Command Line Parameter Passing Vulnerability."

## Affected

- `excel = 2007`
- `excel = 2010`
- `excel = 2013`
- `office = 2010`
- `powerpoint = 2007`
- `powerpoint = 2010`
- `powerpoint = 2013`
- `visio = 2007`
- `visio = 2010`
- `visio = 2013`
- `visio = 2016`
- `word = 2007`
- `word = 2010`
- `word = 2013`
- `word = 2016`
- `internet_explorer = 7`
- `internet_explorer = 8`
- `internet_explorer = 9`
- `internet_explorer = 10`
- `internet_explorer = 11`
- `windows_10`
- `windows_7`
- `windows_8`
- `windows_8.1`
- `windows_rt`
- `windows_rt_8.1`
- `windows_server_2008`
- `windows_server_2008 = r2`
- `windows_server_2012`
- `windows_server_2012 = r2`
- `windows_vista`

## Remediation

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