CVE-2023-21709

CRITICAL

Microsoft Exchange Server - Privilege Escalation

Title source: llm
STIX 2.1

Description

Microsoft Exchange Server Elevation of Privilege Vulnerability

References (1)

Core 1
Core References

Scores

CVSS v3 9.8
EPSS 0.0186
EPSS Percentile 76.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-307
Status published
Products (2)
microsoft/exchange_server 2016 (23 CPE variants)
microsoft/exchange_server 2019 (12 CPE variants)
Published Aug 08, 2023
Tracked Since Feb 18, 2026