CVE-2015-2423

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."

Published: 2015-08-15 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-2423 is rated Moderate Risk (48.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 14.88%, 94th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-2423

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-12-28 16.82% 14.88% -1.95%
2 2025-12-27 14.88% 16.82% +1.95%
3 2025-12-24 14.88%

Full EPSS history (21 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-2423

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2015-2423

Affected software / configurations for CVE-2015-2423

Vendor Product Version Raw CPE
microsoft excel 2007 cpe:2.3:a:microsoft:excel:2007:sp3:*:*:*:*:*:*
microsoft excel 2010 cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:*:*
microsoft excel 2013 cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:*:*
microsoft excel 2013 cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*
microsoft office 2010 cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:*:*
microsoft powerpoint 2007 cpe:2.3:a:microsoft:powerpoint:2007:sp3:*:*:*:*:*:*
microsoft powerpoint 2010 cpe:2.3:a:microsoft:powerpoint:2010:sp2:*:*:*:*:*:*
microsoft powerpoint 2013 cpe:2.3:a:microsoft:powerpoint:2013:sp1:*:*:*:*:*:*
microsoft powerpoint 2013 cpe:2.3:a:microsoft:powerpoint:2013:sp1:*:*:rt:*:*:*
microsoft visio 2007 cpe:2.3:a:microsoft:visio:2007:sp3:*:*:*:*:*:*
microsoft visio 2010 cpe:2.3:a:microsoft:visio:2010:sp2:*:*:*:*:*:*
microsoft visio 2013 cpe:2.3:a:microsoft:visio:2013:sp1:*:*:*:*:*:*
microsoft visio 2013 cpe:2.3:a:microsoft:visio:2013:sp1:*:*:rt:*:*:*
microsoft visio 2016 cpe:2.3:a:microsoft:visio:2016:*:*:*:*:*:*:*
microsoft word 2007 cpe:2.3:a:microsoft:word:2007:sp3:*:*:*:*:*:*
microsoft word 2010 cpe:2.3:a:microsoft:word:2010:sp2:*:*:*:*:*:*
microsoft word 2013 cpe:2.3:a:microsoft:word:2013:sp1:*:*:*:*:*:*
microsoft word 2013 cpe:2.3:a:microsoft:word:2013:sp1:*:*:rt:*:*:*
microsoft word 2016 cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:*:*
microsoft internet_explorer 7 cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*
microsoft internet_explorer 8 cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*
microsoft internet_explorer 9 cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*
microsoft internet_explorer 10 cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:*
microsoft internet_explorer 11 cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*
microsoft windows_10 cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
microsoft windows_7 cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
microsoft windows_8 cpe:2.3:o:microsoft:windows_8:-:*:*:*:*:*:*:*
microsoft windows_8.1 cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
microsoft windows_rt cpe:2.3:o:microsoft:windows_rt:-:*:*:*:*:*:*:*
microsoft windows_rt_8.1 cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
microsoft windows_server_2008 cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
microsoft windows_server_2008 r2 cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
microsoft windows_server_2008 r2 cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
microsoft windows_server_2012 cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
microsoft windows_server_2012 r2 cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
microsoft windows_vista cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*

References for CVE-2015-2423

cvelogic Threat Intelligence