CVE-2021-42292

Microsoft Excel Security Feature Bypass Vulnerability

CVE-2021-42292 is fixed in 10 products on 1 platform, first by KB5002072, released November 16, 2021. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on November 17, 2021. Patch Radar priority: Patch now.

Patch nowCISA KEV

CVSS

7.8

Important

Exploitation

Exploited

Reported by the vendor

CISA KEV

Nov 17, 2021

Federal due date Dec 1, 2021

EPSS

0.4301

98th percentile

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft Excel 2013 RT Service Pack 1	KB5002072	Nov 16, 2021
Microsoft Excel 2013 RT Service Pack 1	KB5002035	Nov 16, 2021
Microsoft Excel 2013 Service Pack 1 (32-bit editions)	KB5002072	Nov 16, 2021
Microsoft Excel 2013 Service Pack 1 (32-bit editions)	KB5002035	Nov 16, 2021
Microsoft Excel 2013 Service Pack 1 (64-bit editions)	KB5002072	Nov 16, 2021
Microsoft Excel 2013 Service Pack 1 (64-bit editions)	KB5002035	Nov 16, 2021
Microsoft Excel 2016 (32-bit edition)	KB5002056	Nov 16, 2021
Microsoft Excel 2016 (32-bit edition)	KB4486670	Nov 16, 2021
Microsoft Excel 2016 (64-bit edition)	KB5002056	Nov 16, 2021
Microsoft Excel 2016 (64-bit edition)	KB4486670	Nov 16, 2021
Microsoft Office 2013 RT Service Pack 1	KB5002035	Nov 16, 2021
Microsoft Office 2013 Service Pack 1 (32-bit editions)	KB5002035	Nov 16, 2021
Microsoft Office 2013 Service Pack 1 (64-bit editions)	KB5002035	Nov 16, 2021
Microsoft Office 2016 (32-bit edition)	KB4486670	Nov 16, 2021
Microsoft Office 2016 (64-bit edition)	KB4486670	Nov 16, 2021

Details

Published
November 16, 2021
CISA required action
Apply updates per vendor instructions.
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42292

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