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Rewterz Threat Advisory – CVE-2022-2077 – Microsoft Outlook 365 Vulnerability

Severity

Medium

Analysis Summary

CVE-2022-2077

Microsoft Outlook 365 could allow a remote authenticated attacker to bypass security restrictions, caused by improper access control by the Conditional Access Policy. By sending a specially crafted request, an attacker could exploit this vulnerability to allow simultaneous usage of the same authorized session cookies from different web browsers.

Impact

  • Security Bypass

Indicators Of Compromise

CVE

  • CVE-2022-2077

Affected Vendors

Microsoft

Affected Products

Microsoft Outlook 365

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 Website