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Vulnerability record · CVE-2017-8502 · published 11 July 2017

CVE-2017-8502: Microsoft excel memory buffer overflow vulnerability

Microsoft · Excel

Microsoft Office allows a remote code execution vulnerability due to the way that it handles objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8501.

7.8 CVSS 3.0 High EPSS 23% · top 2.3% CWE-119 · Memory buffer overflow
7.8CVSS 3.0 base score, v2 9.3
23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Microsoft Office allows a remote code execution vulnerability due to the way that it handles objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8501.

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/99442 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038851 Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8502 PatchVendor Advisory
http://www.securityfocus.com/bid/99442 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038851 Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8502 PatchVendor Advisory

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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-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-2016-7262Microsoft Excel security feature bypass enables command executionA crafted cell in affected Microsoft Excel and Excel Viewer versions is mishandled when a user clicks it, allowing a security feature bypass that lea…KEVEPSS 58%analysed7.8CVE-2009-3129Microsoft Excel FEATHEADER record memory corruptionMicrosoft Excel and related Office components mishandle a FEATHEADER record whose cbHdrData size element is invalid, corrupting a pointer offset and …KEVEPSS 84%analysed9.8CVE-2008-0081Microsoft Excel macro validation flaw allows remote code executionCVE-2008-0081 is an unspecified macro validation vulnerability in Microsoft Excel 2000 SP3 through 2003 SP2, Excel Viewer 2003, and Office 2004 for M…EPSS 58%analysed9.3CVE-2015-6177Microsoft excel memory buffer overflow vulnerabilityMicrosoft Excel 2007 SP3, Office Compatibility Pack SP3, and Excel Viewer allow remote attackers to execute arbitrary code via a crafted Office docum…EPSS 14%

Source: NIST National Vulnerability Database (record CVE-2017-8502), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.