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Rewterz Threat Advisory – Multiple Microsoft Excel Vulnerabilities

Severity

Medium

Analysis Summary

CVE-2022-41105 CVSS:5.5
Microsoft Excel could allow a remote attacker to obtain sensitive information. By persuading a victim to open a specially-crafted file, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.

CVE-2022-41104 CVSS:5.5
Microsoft Excel could allow a remote attacker to bypass security restrictions. By persuading a victim to open a specially-crafted content, an attacker could exploit this vulnerability to bypass security feature to cause impact on confidentiality, integrity and availability.

CVE-2022-41063 CVSS:7.8
Microsoft Excel could allow a remote attacker to execute arbitrary code on the system. By persuading a victim to open a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system.

CVE-2022-41106 CVSS:7.8
Microsoft Excel could allow a remote attacker to execute arbitrary code on the system. By persuading victim to open a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system.

Impact

  • Information Disclosure
  • Security Bypass
  • Code Execution

Indicators Of Compromise

CVE

  • CVE-2022-41105
  • CVE-2022-41104
  • CVE-2022-41063
  • CVE-2022-41106

Affected Vendors

Microsoft

Affected Products

  • Microsoft Excel 2013 SP1 x32
  • Microsoft Excel 2013 SP1 x64
  • Microsoft Excel 2013 SP1 RT
  • Microsoft Excel 2016 x32
  • Microsoft Excel 2016 x64

Remediation

Use Microsoft Automatic Update to apply the appropriate patch for your system, or the Microsoft Security Update Guide to search for available patches. 
CVE-2022-41105
CVE-2022-41104
CVE-2022-41063
CVE-2022-41106