CVE-2015-2470

Exp

Integer underflow in Microsoft Office 2007 SP3, Office 2010 SP2, Office 2013 SP1, Office 2013 RT SP1, Office for Mac 2011, and Word Viewer allows remote attackers to execute arbitrary code via a crafted document, aka "Microsoft Office Integer Underflow Vulnerability."

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

Conclusion & alert: CVE-2015-2470 is rated High Exploit Risk (89.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 66.76%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.63% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2015-2470

EDB-ID Source Kind Published Link
37924 exploit_db edb 2015-08-21 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2015-2470

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 2026-03-04 64.13% 66.76% +2.63%
2 2026-01-06 64.27% 64.13% -0.14%
3 2025-06-10 64.27%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-2470

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-2015-2470

Affected software / configurations for CVE-2015-2470

Vendor Product Version Raw CPE
microsoft office 2010 cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:x64:*
microsoft office 2010 cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:x86:*
microsoft office 2011 cpe:2.3:a:microsoft:office:2011:*:*:*:mac:*:*:*
microsoft office 2013 cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:*:*
microsoft word 2007 cpe:2.3:a:microsoft:word:2007:sp3:*:*:*:*:*:*
microsoft word_viewer cpe:2.3:a:microsoft:word_viewer:*:*:*:*:*:*:*:*

References for CVE-2015-2470

cvelogic Threat Intelligence