8.5 High
AI Score
Confidence
High
0.82 High
EPSS
Percentile
98.4%
Microsoft Exchange Server Elevation of Privilege Vulnerability
packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34523
www.zerodayinitiative.com/advisories/ZDI-21-822/