ZDI-23-1767: Microsoft Teams Isolated Webview Prototype Pollution Privilege Escalation Vulnerability

This vulnerability allows remote attackers to escalate privileges on affected installations of Microsoft Teams. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.1.

attackers cvss escalation exploit file malicious microsoft microsoft teams page pollution privilege privilege escalation privileges prototype rating target teams vulnerability webview zdi