CVE-2015-2521

Microsoft Excel 2007 SP3, Excel 2010 SP2, Office Compatibility Pack SP3, and Excel Viewer - Remote Code Execution

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2015-2521. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit demonstrates a type confusion or memory corruption vulnerability in Microsoft Office 2007 (Excel.exe 12.0.6718.5000) by manipulating the CreateTime field of an OLESSDirectoryEntry structure, leading to a crash and potential arbitrary code execution. The PoC includes a minimized crashing file that triggers the issue when the Office File Validation Add-In is disabled.

Description

Microsoft Excel 2007 SP3, Excel 2010 SP2, 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."

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · textdoswindows
https://www.exploit-db.com/exploits/38216

This exploit demonstrates a type confusion or memory corruption vulnerability in Microsoft Office 2007 (Excel.exe 12.0.6718.5000) by manipulating the CreateTime field of an OLESSDirectoryEntry structure, leading to a crash and potential arbitrary code execution. The PoC includes a minimized crashing file that triggers the issue when the Office File Validation Add-In is disabled.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Office 2007 (Excel.exe 12.0.6718.5000)
No auth needed
Prerequisites: Microsoft Office 2007 with Office File Validation Add-In disabled · Application Verifier for enhanced crash analysis
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1033488
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/38216/

Scores

EPSS 0.2769
EPSS Percentile 97.8%

Details

CWE
CWE-119
Status published
Products (4)
microsoft/excel 2007 sp3
microsoft/excel 2010 sp2 (2 CPE variants)
microsoft/excel_viewer
microsoft/office_compatibility_pack
Published Sep 09, 2015
Tracked Since Feb 18, 2026