What is CVE-2021-34503?

CVE-2021-34503 is a security advisory published by Microsoft Security Response Center (MSRC) with Critical severity. Microsoft Windows Media Foundation Remote Code Execution Vulnerability

Which CVE IDs does CVE-2021-34503 cover?

CVE-2021-34503 covers the following CVE IDs: CVE-2021-34503. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2021-34503?

CVE-2021-34503 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-34503?

CVE-2021-34503 affects 8 products, including: Windows 10 Version 1809 for 32-bit Systems; Windows 10 Version 1809 for ARM64-based Systems; Windows 10 Version 1809 for x64-based Systems; Windows 10 Version 1909 for 32-bit Systems; Windows 10 Version 1909 for ARM64-based Systems; and others — see the full list on the advisory page.

CVE-2021-34503CriticalCVSS 7.8

Microsoft Windows Media Foundation Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

July 13, 2021

Last Modified

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🔗 CVE IDs covered (1)

CVE-2021-34503 →

🎯 Affected products8

Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 1909 for 32-bit Systems
Windows 10 Version 1909 for ARM64-based Systems
Windows 10 Version 1909 for x64-based Systems
Windows Server 2019
Windows Server 2019 (Server Core installation)

✅ Remediation

KB5004244 (Security Update) — fixed build 10.0.17763.2061 KB5004245 (Security Update) — fixed build 10.0.18363.1679

🔗 References (5)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34503
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5004244
referencehttps://support.microsoft.com/help/5004244
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5004245
referencehttps://support.microsoft.com/help/5004245