CVE-2021-38655: Microsoft Excel XLS File Parsing Use-After-Free Remote Code Execution Vulnerability
First published: Tue Sep 14 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 365 Apps for Enterprise | ||
| Microsoft Office Web Apps Server 2013 | ||
| Microsoft Office Online Server | ||
| Microsoft Excel 2013 | ||
| Microsoft Excel 2016 | ||
| Microsoft 365 Apps for Enterprise | ||
| Microsoft Excel 2013 RT | ||
| Microsoft Excel 2016 | ||
| Microsoft Office 2019 for 64-bit editions | ||
| Microsoft Office 2019 for Mac | ||
| Microsoft Office 2019 for 32-bit editions | ||
| Microsoft Excel 2013 | ||
| Microsoft 365 Apps | ||
| Microsoft Excel | =2013 | |
| Microsoft Excel | =2013-sp1 | |
| Microsoft Excel | =2016 | |
| Microsoft Office | =2019 | |
| Microsoft Office | =2019 | |
| Microsoft Office Online Server | ||
| Microsoft Office Web Apps | =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-2021-38655?
CVE-2021-38655 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Microsoft Excel.
How severe is the CVE-2021-38655 vulnerability?
The severity of the CVE-2021-38655 vulnerability is rated as high, with a severity value of 7.8.
Which software is affected by CVE-2021-38655?
CVE-2021-38655 affects Microsoft Excel versions 2013, 2013-sp1, 2016, Office Web Apps Server 2013, 365 Apps for Enterprise (x86_64 and x86), Office 2019 for 32-bit and 64-bit editions, and Microsoft Office LTSC for Mac 2021.
How can I fix the CVE-2021-38655 vulnerability?
To fix the CVE-2021-38655 vulnerability, apply the necessary patches or updates provided by Microsoft for the affected software versions.
Where can I find more information about CVE-2021-38655?
More information about CVE-2021-38655 can be found on the Microsoft Security Response Center (MSRC) website and the Zero Day Initiative (ZDI) website.
- agent/type
- agent/first-publish-date
- collector/msrc-cve
- source/Microsoft
- agent/author
- agent/references
- agent/weakness
- agent/remedy
- agent/title
- agent/severity
- agent/description
- agent/software-canonical-lookup
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/softwarecombine
- collector/nvd-api
- source/NVD
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-21-1080
- alias/ZDI-CAN-14118
- alias/CVE-2021-38655
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/tags
- agent/event
- agent/trending
- vendor/microsoft
- canonical/microsoft 365 apps for enterprise
- canonical/microsoft office web apps server 2013
- canonical/microsoft office online server
- canonical/microsoft excel 2013
- canonical/microsoft excel 2016
- canonical/microsoft excel 2013 rt
- canonical/microsoft office 2019 for 64-bit editions
- canonical/microsoft office 2019 for mac
- canonical/microsoft office 2019 for 32-bit editions
- canonical/microsoft 365 apps
- canonical/microsoft excel
- version/microsoft excel/2013
- version/microsoft excel/2013-sp1
- version/microsoft excel/2016
- canonical/microsoft office
- version/microsoft office/2019
- canonical/microsoft office web apps
- version/microsoft office web apps/2013-sp1