CVE-2020-1224

Microsoft Excel Information Disclosure Vulnerability

CVE-2020-1224 is fixed in 10 products on 1 platform, first by KB4486665, released September 8, 2020. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0435
91st percentile

<p>An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data.</p> <p>To exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. An attacker must know the memory address location where the object was created.</p> <p>The update addresses the vulnerability by changing the way certain Excel functions handle objects in memory.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft Excel 2010 Service Pack 2 (32-bit editions) KB4486665 Sep 8, 2020
Microsoft Excel 2010 Service Pack 2 (64-bit editions) KB4486665 Sep 8, 2020
Microsoft Excel 2013 RT Service Pack 1 KB4484526 Sep 8, 2020
Microsoft Excel 2013 Service Pack 1 (32-bit editions) KB4484526 Sep 8, 2020
Microsoft Excel 2013 Service Pack 1 (64-bit editions) KB4484526 Sep 8, 2020
Microsoft Excel 2016 (32-bit edition) KB4484507 Sep 8, 2020
Microsoft Excel 2016 (64-bit edition) KB4484507 Sep 8, 2020
Microsoft Office Online Server KB4484503 Sep 16, 2020
Microsoft Office Web Apps 2013 Service Pack 1 KB4484518 Sep 16, 2020
Microsoft SharePoint Enterprise Server 2013 Service Pack 1 KB4484516 Sep 16, 2020

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