CVE-2021-28456: Microsoft Excel Information Disclosure Vulnerability
First published: Tue Apr 13 2021(Updated: )
Microsoft Excel Information Disclosure Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft 365 Apps | ||
| Microsoft Excel | =2010-sp2 | |
| Microsoft Excel | =2013-sp1 | |
| Microsoft Excel | =2013-sp1 | |
| Microsoft Excel | =2016 | |
| Microsoft Office | =2019 | |
| Microsoft Office | =2019 | |
| Microsoft Office Online Server | ||
| Microsoft Office Web Apps Server | =2013-sp1 |
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Frequently Asked Questions
What is CVE-2021-28456?
CVE-2021-28456 is a vulnerability in Microsoft Excel that allows for information disclosure.
How severe is CVE-2021-28456?
CVE-2021-28456 has a severity score of 5.5, which is considered medium.
Which software versions are affected by CVE-2021-28456?
Microsoft Office LTSC for Mac 2021, Microsoft Excel 2010 SP2, Microsoft Excel 2013 SP1, Microsoft Excel 2016, Microsoft Office 2019, Microsoft Office Online Server, and Microsoft Office Web Apps Server 2013 SP1 are affected by CVE-2021-28456.
How can I fix CVE-2021-28456?
To fix CVE-2021-28456, it is recommended to apply the latest security updates provided by Microsoft.
Where can I find more information about CVE-2021-28456?
For more information about CVE-2021-28456, you can visit the Microsoft Security Advisory at [https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28456](https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28456).
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- agent/first-publish-date
- agent/author
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- agent/references
- agent/severity
- agent/event
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/softwarecombine
- agent/tags
- agent/description
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- collector/mitre-cve
- source/MITRE
- vendor/microsoft
- canonical/microsoft 365 apps
- canonical/microsoft excel
- version/microsoft excel/2010-sp2
- version/microsoft excel/2013-sp1
- version/microsoft excel/2016
- canonical/microsoft office
- version/microsoft office/2019
- canonical/microsoft office online server
- canonical/microsoft office web apps server
- version/microsoft office web apps server/2013-sp1