Severity
HIGH
CVSS
7.2
EPSS
0.4638
Risk score
70.03
CISA KEV
Yes
PoC
No
Published
2021-07-14
Modified
2026-01-12
First seen
2026-08-07
Aliases
EUVD-2021-18109, GHSA-5JV9-CFF9-2J3M
Products
Microsoft:Exchange Server, Microsoft:Microsoft Exchange Server 2013 Cumulative Update 23 15.00.0 <15.00.1497.023, Microsoft:Microsoft Exchange Server 2016 Cumulative Update 20 15.01.0 <15.01.2242.012, Microsoft:Microsoft Exchange Server 2016 Cumulative Update 21 15.01.0 <15.01.2308.014, Microsoft:Microsoft Exchange Server 2019 Cumulative Update 10 15.02.0 <15.02.0922.013, Microsoft:Microsoft Exchange Server 2019 Cumulative Update 9 15.02.0 <15.02.0858.015
Sources