Severity
CRITICAL
CVSS
9.1
EPSS
0.8979
Risk score
67.83
CISA KEV
No
PoC
No
Published
2020-12-09
Modified
2026-06-09
First seen
2026-08-07
Aliases
EUVD-2020-9086, GHSA-VQV9-X245-GQWV
Products
Microsoft:Microsoft Exchange Server 2013 Cumulative Update 23 15.00.0 <publication, Microsoft:Microsoft Exchange Server 2016 Cumulative Update 17 15.01.0 <publication, Microsoft:Microsoft Exchange Server 2016 Cumulative Update 18 15.01.0 <publication, Microsoft:Microsoft Exchange Server 2019 Cumulative Update 6 15.02.0 <publication, Microsoft:Microsoft Exchange Server 2019 Cumulative Update 7 15.02.0 <publication
Sources