CVE-2021-24077: 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

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
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2021-24077?

The severity of CVE-2021-24077 is classified as critical, as it allows remote code execution.

2

How do I fix CVE-2021-24077?

To fix CVE-2021-24077, apply the latest security updates from Microsoft for the affected Windows versions.

3

Which versions of Windows are affected by CVE-2021-24077?

CVE-2021-24077 affects multiple versions of Windows, including Windows 7, 8.1, 10, and several Windows Server versions.

4

What impact does CVE-2021-24077 have on systems?

CVE-2021-24077 can allow an attacker to execute arbitrary code on the affected system, potentially compromising its security.

5

Is there a workaround for CVE-2021-24077?

While applying updates is the best solution, disabling the Windows Fax Service can serve as a temporary workaround to mitigate the vulnerability.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203