What is the severity of CVE-2021-31937?

CVE-2021-31937 is rated as a Critical Elevation of Privilege vulnerability.

How do I fix CVE-2021-31937?

To fix CVE-2021-31937, upgrade Microsoft Edge (Chromium-based) to version 91.0.864.37 or higher.

What types of attacks does CVE-2021-31937 enable?

CVE-2021-31937 enables attackers to elevate privileges on the affected systems.

Which versions of Microsoft Edge are affected by CVE-2021-31937?

CVE-2021-31937 affects Microsoft Edge (Chromium-based) versions prior to 91.0.864.37.

How can I determine if I am vulnerable to CVE-2021-31937?

To determine if you are vulnerable to CVE-2021-31937, check if you are running a version of Microsoft Edge (Chromium-based) lower than 91.0.864.37.

Vulnerability/
CVE-2021-31937

high

8.2

CWE

269

27/5/2021

28/6/2023

28/2/2025

CVE-2021-31937: Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

First published: Thu May 27 2021(Updated: )

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Credit: secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft Edge (Chromium-based)	<91.0.864.37
Microsoft Edge		fix available externally
	<91.0.864.37

Remedy

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31937

Never miss a vulnerability like this again

Reference Links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31937 (Advisory)

Frequently Asked Questions

What is the severity of CVE-2021-31937?
CVE-2021-31937 is rated as a Critical Elevation of Privilege vulnerability.
How do I fix CVE-2021-31937?
To fix CVE-2021-31937, upgrade Microsoft Edge (Chromium-based) to version 91.0.864.37 or higher.
What types of attacks does CVE-2021-31937 enable?
CVE-2021-31937 enables attackers to elevate privileges on the affected systems.
Which versions of Microsoft Edge are affected by CVE-2021-31937?
CVE-2021-31937 affects Microsoft Edge (Chromium-based) versions prior to 91.0.864.37.
How can I determine if I am vulnerable to CVE-2021-31937?
To determine if you are vulnerable to CVE-2021-31937, check if you are running a version of Microsoft Edge (Chromium-based) lower than 91.0.864.37.

agent/type
agent/first-publish-date
agent/severity
agent/title
agent/references
agent/remedy
agent/author
agent/description
collector/msrc-cve
source/Microsoft
collector/nvd-index
agent/software-canonical-lookup-request
agent/software-canonical-lookup
collector/mitre-cve
source/MITRE
collector/nvd-api
source/NVD
agent/last-modified-date
agent/weakness
agent/source
agent/softwarecombine
agent/tags
agent/event
vendor/microsoft
canonical/microsoft edge (chromium-based)
canonical/microsoft edge

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Contact

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Frequently Asked Questions

What is the severity of CVE-2021-31937?
CVE-2021-31937 is rated as a Critical Elevation of Privilege vulnerability.
How do I fix CVE-2021-31937?
To fix CVE-2021-31937, upgrade Microsoft Edge (Chromium-based) to version 91.0.864.37 or higher.
What types of attacks does CVE-2021-31937 enable?
CVE-2021-31937 enables attackers to elevate privileges on the affected systems.
Which versions of Microsoft Edge are affected by CVE-2021-31937?
CVE-2021-31937 affects Microsoft Edge (Chromium-based) versions prior to 91.0.864.37.
How can I determine if I am vulnerable to CVE-2021-31937?
To determine if you are vulnerable to CVE-2021-31937, check if you are running a version of Microsoft Edge (Chromium-based) lower than 91.0.864.37.