CVE-2021-28451

Microsoft Excel Remote Code Execution Vulnerability

CVE-2021-28451 is fixed in 7 products on 1 platform, first by KB4504735, released April 13, 2021. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.8
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0250
84th percentile

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft Excel 2013 RT Service Pack 1 KB4504735 Apr 13, 2021
Microsoft Excel 2013 Service Pack 1 (32-bit editions) KB4504735 Apr 13, 2021
Microsoft Excel 2013 Service Pack 1 (64-bit editions) KB4504735 Apr 13, 2021
Microsoft Excel 2016 (32-bit edition) KB4504721 Apr 13, 2021
Microsoft Excel 2016 (64-bit edition) KB4504721 Apr 13, 2021
Microsoft Office Online Server KB4504714 Apr 13, 2021
Microsoft Office Web Apps Server 2013 Service Pack 1 KB4504729 Apr 13, 2021

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