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Vulnerability record · CVE-2015-2523 · published 9 September 2015

CVE-2015-2523: Microsoft excel memory buffer overflow vulnerability

Microsoft · Excel

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."

9.3 CVSS 2.0 High EPSS 30% · top 1.8% CWE-119 · Memory buffer overflow
9.3CVSS 2.0 base score
30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

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."

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securitytracker.com/id/1033488
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-099
https://www.exploit-db.com/exploits/38214/
http://www.securitytracker.com/id/1033488
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-099
https://www.exploit-db.com/exploits/38214/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2019-1297Microsoft Excel memory handling flaw allows remote code executionCVE-2019-1297 is a remote code execution vulnerability in Microsoft Excel caused by improper handling of objects in memory. An attacker who convinces…KEVEPSS 22%analysed8.8CVE-2019-0541Microsoft MSHTML engine input validation flaw allows remote code executionThe MSHTML engine in Microsoft Office, Internet Explorer and related viewers fails to properly validate input, allowing remote code execution. Becaus…KEVEPSS 53%analysed8.8CVE-2018-0798Microsoft Office Equation Editor memory corruption RCEEquation Editor in Microsoft Office 2007 through 2016 mishandles objects in memory, producing an out-of-bounds write (CWE-787) that can be turned int…KEVEPSS 95%analysed8.8CVE-2015-2424Microsoft Office memory corruption via crafted documentCVE-2015-2424 is an out-of-bounds write (CWE-787) in Microsoft PowerPoint and Word that is triggered when a crafted Office document is opened. A remo…KEVEPSS 40%analysed8.8CVE-2009-0238Microsoft Excel invalid object access allows remote code executionMicrosoft Excel and related viewers (Excel 2000 through 2007, Excel Viewer, Office Compatibility Pack, and Office for Mac 2004/2008) fail to handle a…KEVEPSS 43%analysed8.8CVE-2007-0671Microsoft Excel remote code execution via malformed fileCVE-2007-0671 is an unspecified vulnerability in Microsoft Excel 2000, XP, 2003, and 2004 for Mac, and possibly other Office products, that allows re…KEVEPSS 43%analysed7.8CVE-2021-42292Microsoft Excel security feature bypass via crafted fileCVE-2021-42292 is a security feature bypass in Microsoft Excel and related Office products. The record gives only a one-line description, so the exac…KEVEPSS 43%analysed7.8CVE-2018-0802Microsoft Office Equation Editor Memory Corruption RCEEquation Editor in Microsoft Office 2007, 2010, 2013, and 2016 mishandles objects in memory, causing an out-of-bounds write (CWE-787) that can lead t…KEVEPSS 93%analysed

Source: NIST National Vulnerability Database (record CVE-2015-2523), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.