CVE-2015-6040

Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel for Mac 2011, Excel 2016 for Mac, Office Compatibility Pack SP3, and Excel Viewer allow remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Memory Corruption Vulnerability."

Published: 2015-12-09 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-6040 is rated High Risk (74.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 37.55%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.35% over the last day, indicating growing attacker interest. 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-2015-6040

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 2025-06-30 34.20% 37.55% +3.35%
2 2025-03-30 43.70% 34.20% -9.50%
3 2025-03-29 43.70%

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-6040

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2015-6040

Affected software / configurations for CVE-2015-6040

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:*:*:*:*:x64:*
microsoft excel 2010 cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:x86:*
microsoft excel_for_mac 2011 cpe:2.3:a:microsoft:excel_for_mac:2011:*:*:*:*:*:*:*
microsoft excel_for_mac 2016 cpe:2.3:a:microsoft:excel_for_mac:2016:*:*:*:*:*:*:*
microsoft excel_viewer cpe:2.3:a:microsoft:excel_viewer:*:*:*:*:*:*:*:*
microsoft office_compatibility_pack cpe:2.3:a:microsoft:office_compatibility_pack:*:sp3:*:*:*:*:*:*

References for CVE-2015-6040

cvelogic Threat Intelligence