CVE-2021-31955HighCVSS 5.5

Windows Kernel Information Disclosure Vulnerability

Published
June 8, 2021
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2021-31955 →

📋 Description

What type of information could be disclosed by this vulnerability? The type of information that could be disclosed if an attacker successfully exploited this vulnerability is the contents of Kernel memory. An attacker could read the contents of Kernel memory from a user mode process.

🎯 Affected products18

  • 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 Server 2019
  • Windows Server 2019 (Server Core installation)
  • Windows Server, version 2004 (Server Core installation)
  • Windows Server, version 20H2 (Server Core Installation)

✅ Remediation

KB5003646 (Security Update) — fixed build 10.0.17763.1999 KB5003635 (Security Update) — fixed build 10.0.18363.1621 KB5003637 (Security Update) — fixed build 10.0.19043.1052 KB5003637 (Security Update) — fixed build 10.0.19041.1052 KB5003637 (Security Update) — fixed build 10.0.19042.1052

🔗 References (7)