CVE-2015-2523

Exp

Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel for Mac 2011 and 2016, 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: 2015-09-09 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-2523 is rated High Exploit Risk (88.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 74.02%, 99th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.11% over the last day, indicating growing attacker interest. 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-2015-2523

EDB-ID Source Kind Published Link
38214 exploit_db edb 2015-09-16 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2015-2523

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 2026-03-29 71.91% 74.02% +2.11%
2 2026-01-31 72.02% 71.91% -0.11%
3 2025-10-31 — 72.02% —

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-2523

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-2015-2523

Affected software / configurations for CVE-2015-2523

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 2011 cpe:2.3:a:microsoft:excel:2011:*:*:*:*:mac:*:*
microsoft excel 2013 cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:*:*
microsoft excel 2013 cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*
microsoft excel 2016 cpe:2.3:a:microsoft:excel:2016:*:*:*:*:mac:*:*
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-2015-2523

cvelogic Threat Intelligence