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Rewterz Threat Advisory – Multiple Microsoft Windows Defender Vulnerabilities

Severity

Medium

Analysis Summary

CVE-2022-35822 CVSS:6.1

Microsoft Windows Defender Credential Guard could allow a local authenticated attacker to bypass security restrictions, cause by a flaw in the Credential Guard component. An attacker could exploit this vulnerability to bypass security feature to cause impact on confidentiality and integrity.

CVE-2022-34711 CVSS:7.8

Microsoft Windows Defender could allow a local authenticated attacker to gain elevated privileges on the system, caused by a flaw in the Credential Guard component. By executing a specially-crafted program, an attacker could exploit this vulnerability to execute arbitrary code with higher privileges.

Impact

  • Security Bypass
  • Privilege Escalation

Indicators Of Compromise

CVE

  • CVE-2022-35822
  • CVE-2022-34711

Affected Vendors

Microsoft

Affected Products

  • Microsoft Windows 10 x32
  • Microsoft Windows 10 x64
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2019
  • Microsoft Windows 10 1809 for x64-based Systems
  • Microsoft Windows 10 1809 for 32-bit Systems
  • Microsoft Windows 10 1809 for ARM64-based Systems
  • Microsoft Windows 10 1607 for 32-bit Systems
  • Microsoft Windows 10 1607 for x64-based Systems
  • Microsoft Windows 10 20H2 for 32-bit Systems
  • Microsoft Windows 10 20H2 for ARM64-based Systems
  • Microsoft Windows 10 20H2 for x64-based Systems
  • Microsoft Windows Server (Server Core installation) 2019
  • Microsoft Windows Server (Server Core installation) 20H2
  • Microsoft Windows Server (Server Core installation) 2016
  • Microsoft Windows 10 21H1 for 32-bit Systems
  • Microsoft Windows 10 21H1 for ARM64-based Systems
  • Microsoft Windows 10 21H1 for x64-based Systems
  • Microsoft Windows Server 2022
  • Microsoft Windows Server (Server Core installation) 2022
  • Microsoft Windows 11 x64
  • Microsoft Windows 11 ARM64
  • Microsoft Windows 10 21H2 for 32-bit Systems
  • Microsoft Windows 10 21H2 for ARM64-based Systems
  • Microsoft Windows 10 21H2 for x64-based Systems

Remediation

Use Microsoft Automatic Update to apply the appropriate patch for your system, or the Microsoft Security Update Guide to search for available patches.

Microsoft Security TechCenter

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