CVE-2020-1226

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1225.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
Microsoft	Microsoft 365 Apps for Enterprise for 32-bit Systems	unspecified
Microsoft	Microsoft 365 Apps for Enterprise for 64-bit Systems	unspecified
Microsoft	Microsoft Office	2019 for 32-bit editions; 2019 for 64-bit editions; 2019 for Mac; 2016 for Mac
Microsoft	Microsoft Excel	2016 (32-bit edition); 2016 (64-bit edition); 2010 Service Pack 2 (32-bit editions); 2010 Service Pack 2 (64-bit editions); 2013 RT Service Pack 1; 2013 Service Pack 1 (32-bit editions); 2013 Service Pack 1 (64-bit editions)

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1226Patch, Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1027Third Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1226Patch, Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1027Third Party Advisory

Timeline

Published: Jun 9, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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