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Vulnerabilities/CVE-2015-2423Public Intelligence Dossier
Source: microsoft · Limited verification•Last verified: •Collection Degraded
CVE-2015-2423Unknown / EvaluatingMEDIUM (raw)CVSS 4.3CWE-200

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: 15 Aug 2015•Last updated: 15 Oct 2026, 03:47 AM IST•Source identifier: secure@microsoft.com
Dossier completeness: source-provided sections 2 / 3 · rule guidance available. Missing source facts count as incomplete.
Official source
CISA KEV catalog
Unknown
KEV status was not determined.
CVSS score
4.3MEDIUM (raw)
AV:N/AC:M/Au:N/C:P/I:N/A:N
Metric sourcenvd@nist.gov
EPSS probability
19.9%0.199
Percentile97th
Weakness type
CWE-200
No further CWE recorded
Remediation
Patch status unknown
No fixed version or KB recorded

Why It Matters

Analysis dossier

Why It Matters

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."

SOC priority

Medium

Actively exploited

Unknown

Publicly disclosed

Unknown

Risk basis: Microsoft or Microsoft-managed product relevance; No confirmed exploitation signal in current enrichment

Affected Products & Remediation

15 source-backed products
Affected products and versions (source)
  • microsoft excel · 2007; 2010; 2013 · NVD CPE · Source
  • microsoft office · 2010 · NVD CPE · Source
  • microsoft powerpoint · 2007; 2010; 2013 · NVD CPE · Source
  • microsoft visio · 2007; 2010; 2013; 2016 · NVD CPE · Source
  • microsoft word · 2007; 2010; 2013; 2016 · NVD CPE · Source
  • microsoft internet explorer · 7; 8; 9; 10; 11 · NVD CPE · Source
  • microsoft windows 10 · version range not provided by source · NVD CPE · Source
  • microsoft windows 7 · version range not provided by source · NVD CPE · Source
  • microsoft windows 8 · version range not provided by source · NVD CPE · Source
  • microsoft windows 8.1 · version range not provided by source · NVD CPE · Source
  • microsoft windows rt · version range not provided by source · NVD CPE · Source
  • microsoft windows rt 8.1 · version range not provided by source · NVD CPE · Source
  • microsoft windows server 2008 · r2 · NVD CPE · Source
  • microsoft windows server 2012 · r2 · NVD CPE · Source
  • microsoft windows vista · version range not provided by source · NVD CPE · Source
Recorded patch / KBNot provided by source

Vendor or catalog guidance (source)

Not provided by source

Known exploitation (source facts)

Only what a source states. Unknown means no source has said either way; it is not "not exploited".

CISA KEV
Unknown
Exploited (source statement)
Unknown
Publicly disclosed (source)
Unknown

Suggested hunting (rule-based inference)

SecOps Signal recommendation (rule-based inference). These steps are hunting hypotheses from the vulnerability class; they do not state or imply that exploitation occurred here or anywhere.

Matched microsoft-enterprise (Affected product: microsoft windows 10, Vendor: microsoft)

Exposure

  1. Identify affected Microsoft products and compare local builds with the MSRC advisory.Telemetry: DeviceTvmSoftwareVulnerabilities · The MSRC product/build mapping establishes applicability. · Rule microsoft-enterprise

Exploitation evidence

  1. Review the advisory's documented behavior on matching hosts before selecting a hunt.Telemetry: DeviceProcessEvents · Product family alone does not justify a CVE-specific detection. · Rule microsoft-enterprise

Response

  1. Confirm the source-stated KB or mitigation on matching assets.Telemetry: DeviceTvmSoftwareVulnerabilities · A post-update inventory check verifies remediation. · Rule microsoft-enterprise

CISA KEV Record

CISA KEV status was not determined for this record.

Change History & Source Data

— No recorded material change

CNA / source
secure@microsoft.com
Record status · verification
UPDATED · NVD API
CPE
cpe:2.3:a:microsoft:excel:2007:sp3:*:*:*:*:*:*, cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:*:*, cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:*:*, cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*, cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:*:*, cpe:2.3:a:microsoft:powerpoint:2007:sp3:*:*:*:*:*:*, cpe:2.3:a:microsoft:powerpoint:2010:sp2:*:*:*:*:*:*, cpe:2.3:a:microsoft:powerpoint:2013:sp1:*:*:*:*:*:*, cpe:2.3:a:microsoft:powerpoint:2013:sp1:*:*:rt:*:*:*, cpe:2.3:a:microsoft:visio:2007:sp3:*:*:*:*:*:*

Evidence & Provenance

3 public sources
docs.microsoft.comSource recordnvd.nist.govSource recorddocs.microsoft.comSource record

Linked by the query's stored exact CVE association. Review required tables and validation status before use.

Detection Hunting Query
Target: DeviceTvmSoftwareVulnerabilities•Defender XDR
Detect endpoints exposed to CVE-2015-2423
Purpose: Exposure assessment (Category: Exposure Check)Why linked: Query metadata names CVE-2015-2423
DeviceTvmSoftwareVulnerabilities| where CveId == "CVE-2015-2423"| project DeviceId, DeviceName, OSPlatform, OSVersion, SoftwareVendor, SoftwareName, SoftwareVersion, CveId, VulnerabilitySeverityLevel, RecommendedSecurityUpdate, RecommendedSecurityUpdateId| sort by VulnerabilitySeverityLevel desc
Schema Checked · Not runtime validatedSource: SecOps Signal deterministic template · Limited verificationStatic screening: Passed structure and schema checks; tenant execution is not verified.
Open KQL Library

Correlated briefings

— No published briefing references this CVE

SecOps Signal surfaces public advisory facts only. A missing value means the source has not published it, not that your environment is unaffected. No tenant inventory is connected.