CVE-2021-34497CriticalCVSS 6.8

Windows MSHTML Platform Remote Code Execution Vulnerability

Published
July 13, 2021
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2021-34497 →

📋 Description

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? This vulnerability requires that a user with an affected version of Windows access a malicious server. An attacker would have to host a specially crafted server share or website. An attacker would have no way to force users to visit this specially crafted server share or website, but would have to convince them to visit the server share or website, typically by way of an enticement in an email or chat message.

🎯 Affected products30

  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 Version 1607 for x64-based Systems
  • 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 10 Version 2004 for 32-bit Systems
  • Windows 10 Version 2004 for ARM64-based Systems
  • Windows 10 Version 2004 for x64-based Systems
  • Windows 10 Version 20H2 for 32-bit Systems
  • Windows 10 Version 20H2 for ARM64-based Systems
  • Windows 10 Version 21H1 for 32-bit Systems
  • Windows 10 Version 21H1 for ARM64-based Systems
  • Windows 10 Version 21H1 for x64-based Systems
  • Windows 10 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 7 for 32-bit Systems Service Pack 1
  • Windows 7 for x64-based Systems Service Pack 1
  • Windows 8.1 for 32-bit systems
  • Windows 8.1 for x64-based systems
  • Windows RT 8.1
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1
  • Windows Server 2008 for 32-bit Systems Service Pack 2
  • Windows Server 2008 for x64-based Systems Service Pack 2
  • Windows Server 2012
  • Windows Server 2012 R2
  • Windows Server 2016
  • Windows Server 2019

✅ Remediation

KB5004244 (Security Update) — fixed build 10.0.17763.2061 KB5004245 (Security Update) — fixed build 10.0.18363.1679 KB5004237 (Security Update) — fixed build 10.0.19043.1110 KB5004237 (Security Update) — fixed build 10.0.19041.1110 KB5004237 (Security Update) — fixed build 10.0.19042.1110 KB5004249 (Security Update) — fixed build 10.0.10240.19003 KB5004238 (Security Update) — fixed build 10.0.14393.4530 KB5004289 (Monthly Rollup) — fixed build 6.1.7601.25661 KB5005563 (IE Cumulative) — fixed build 1.001 KB5004298 (Monthly Rollup) — fixed build 6.3.9600.20069 KB5004305 (Monthly Rollup) — fixed build 6.0.6003.21167 KB5004294 (Monthly Rollup) — fixed build 6.2.9200.23409

🔗 References (21)