CVE-2023-21709
high-risk
Published 2023-08-08
Microsoft Exchange Server Elevation of Privilege Vulnerability
Do I need to act?
~
3.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (20)
Affected Vendors
61
/ 100
high-risk
Severity
32/34 · Critical
Exploitability
6/34 · Minimal
Exposure
23/34 · High