CVE-2021-28454: Microsoft Excel XLS File Parsing Use-After-Free Remote Code Execution Vulnerability
First published: Tue Apr 13 2021(Updated: )
Microsoft Excel Remote Code Execution Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Excel | ||
| Microsoft Office 2019 for 32-bit editions | ||
| Microsoft Office 2016 | ||
| Microsoft Excel 2016 | ||
| Microsoft Office 2013 RT | ||
| Microsoft Excel 2013 RT | ||
| Microsoft Office 2013 | ||
| Microsoft Office Web Apps Server 2013 | ||
| Microsoft Excel 2010 | ||
| Microsoft Office 2010 | ||
| Microsoft Office Online Server | ||
| Microsoft Office 2013 | ||
| Microsoft Excel 2016 | ||
| Microsoft Excel 2010 | ||
| Microsoft Office 2016 | ||
| Microsoft Excel 2013 | ||
| Microsoft 365 Apps for Enterprise | ||
| Microsoft 365 Apps for Enterprise | ||
| Microsoft Excel 2013 | ||
| Microsoft Office 2010 | ||
| Microsoft Office 2019 for 64-bit editions | ||
| Microsoft 365 Apps | ||
| Microsoft Office | =2010-sp2 | |
| Microsoft Office | =2013-sp1 | |
| Microsoft Office | =2013-sp1 | |
| Microsoft Office | =2016 | |
| Microsoft Office | =2019 | |
| Microsoft Office Online Server | ||
| Microsoft Office Web Apps Server | =2013-sp1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is CVE-2021-28454?
CVE-2021-28454 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Microsoft Excel.
How can the CVE-2021-28454 vulnerability be exploited?
The CVE-2021-28454 vulnerability can be exploited by visiting a malicious page or opening a malicious file.
What is the severity of CVE-2021-28454?
CVE-2021-28454 has a severity rating of 7.8, which is considered high.
Which versions of Microsoft Excel are affected by CVE-2021-28454?
Microsoft Excel 2013, 2016, and Excel in Office 365 Apps for Enterprise are affected by CVE-2021-28454.
How can I fix CVE-2021-28454?
To fix CVE-2021-28454, apply the available patches and updates provided by Microsoft for the affected versions of Excel.
- agent/type
- agent/first-publish-date
- agent/last-modified-date
- collector/msrc-cve
- source/Microsoft
- agent/author
- agent/remedy
- agent/weakness
- agent/title
- agent/references
- agent/severity
- agent/software-canonical-lookup
- agent/description
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup-request
- collector/nvd-index
- agent/softwarecombine
- agent/tags
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-21-410
- alias/ZDI-CAN-12703
- alias/CVE-2021-28454
- agent/event
- collector/mitre-cve
- source/MITRE
- vendor/microsoft
- canonical/microsoft office 2019 for 32-bit editions
- canonical/microsoft office 2016
- canonical/microsoft excel 2016
- canonical/microsoft office 2013 rt
- canonical/microsoft excel 2013 rt
- canonical/microsoft office 2013
- canonical/microsoft office web apps server 2013
- canonical/microsoft excel 2010
- canonical/microsoft office 2010
- canonical/microsoft office online server
- canonical/microsoft excel 2013
- canonical/microsoft 365 apps for enterprise
- canonical/microsoft office 2019 for 64-bit editions
- canonical/microsoft 365 apps
- canonical/microsoft office
- version/microsoft office/2010-sp2
- version/microsoft office/2013-sp1
- version/microsoft office/2016
- version/microsoft office/2019
- canonical/microsoft office web apps server
- version/microsoft office web apps server/2013-sp1
- canonical/microsoft excel