Severity
CRITICAL
CVSS
9.8
EPSS
0.36486
Risk score
51.97
CISA KEV
No
PoC
No
Published
2021-04-13
Modified
2024-08-03
First seen
2026-08-08
Aliases
EUVD-2021-15159, GHSA-HJ49-FXWM-2V87
Products
Microsoft:Microsoft Exchange Server 2013 Cumulative Update 23 15.00.0 <15.00.1497.015, Microsoft:Microsoft Exchange Server 2016 Cumulative Update 19 15.01.0 <15.01.2176.012, Microsoft:Microsoft Exchange Server 2016 Cumulative Update 20 15.01.0 <15.01.2242.008, Microsoft:Microsoft Exchange Server 2019 Cumulative Update 8 15.02.0 <15.02.0792.013, Microsoft:Microsoft Exchange Server 2019 Cumulative Update 9 15.02.0 <15.02.0858.010
Sources