CVE-2021-1722: Windows Fax Service Remote Code Execution Vulnerability
Published Feb 25, 2021
·Updated
Windows Fax Service Remote Code Execution Vulnerability
Affected Software
19 affected components
Microsoft Windows 10
Microsoft Windows 10=20h2
Microsoft Windows 10=1607
Microsoft Windows 10=1803
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=20h2
Microsoft Windows Server 2016=1909
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019
Remediation
Event History
Feb 25, 2021
CVE Published
11:01 PM
Data Sourced
11:01 PM
DescriptionSeverity
Data Sourced
via NVD·11:15 PM
RemedyDescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2021-1722?
CVE-2021-1722 has a severity rating of Critical.
2
How do I fix CVE-2021-1722?
To fix CVE-2021-1722, apply the security updates provided by Microsoft for affected versions of Windows.
3
What systems are affected by CVE-2021-1722?
CVE-2021-1722 affects multiple versions of Microsoft Windows, including Windows 7, Windows 10, and various Windows Server editions.
4
Can CVE-2021-1722 lead to remote code execution?
Yes, CVE-2021-1722 allows attackers to execute arbitrary code on the affected systems remotely.
5
Is there a workaround for CVE-2021-1722 until a patch can be applied?
While a permanent fix is to apply updates, disabling the Windows Fax Service can act as a temporary workaround for CVE-2021-1722.