CVE-2021-34503

Microsoft Windows Media Foundation Remote Code Execution Vulnerability

Description

Microsoft Windows Media Foundation Remote Code Execution Vulnerability

7.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.82% Top 30%

Vendor Advisory microsoft.com

Affected: Microsoft Windows 10 Version 1809

Affected: Microsoft Windows Server 2019

Affected: Microsoft Windows Server 2019 (Server Core installation)

Affected: Microsoft Windows 10 Version 1909

References

Link	Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34503	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-34503?: CVE-2021-34503 has been scored as a high severity vulnerability.
How to fix CVE-2021-34503?: To fix CVE-2021-34503, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-34503 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-34503 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-34503?: CVE-2021-34503 affects Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows 10 Version 1909.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.