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Vulnerability record · CVE-2020-0652 · published 14 January 2020

CVE-2020-0652: Microsoft excel out-of-bounds write vulnerability

Microsoft · Excel

A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory, aka 'Microsoft Office Memory Corruption Vulnerability'.

7.8 CVSS 3.1 High EPSS 17% · top 3.0% CWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score, v2 6.8
17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory, aka 'Microsoft Office Memory Corruption Vulnerability'.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0652 PatchVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-127/ Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0652 PatchVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-127/ Third Party AdvisoryVDB Entry

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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-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-2019-1449Microsoft office vulnerabilityA security feature bypass vulnerability exists in the way that Office Click-to-Run (C2R) components handle a specially crafted file, which could lead…EPSS 6.8%

Source: NIST National Vulnerability Database (record CVE-2020-0652), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.