Microsoft Exchange Server 2019 Cumulative Update 9

productUS

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

unpatched

critical

by severity

0critical3high3medium0low

updated 2026-10-27

vulnerabilities (6)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2021-34473US	high10.0OT critical	100.0% (100th)	KEV	15.02.0858.010	2021-07-14	2 versions
CVE-2021-34523US	high7.5OT critical	100.0% (100th)	KEV	15.02.0858.010	2021-07-14	2 versions
CVE-2021-33766US	medium5.0OT critical	98.2% (100th)	KEV	15.02.0858.010	2021-07-14	2 versions
CVE-2021-31196US	medium6.5OT critical	54.1% (99th)	KEV	15.02.0858.015	2021-07-14	2 versions
CVE-2021-31206US	high7.9	13.0% (96th)	—	15.02.0858.015	2021-07-14	2 versions
CVE-2021-33768US	medium5.2	1.23% (69th)	—	15.02.0858.015	2021-07-14	2 versions

The flaw types (CWEs) most of these CVEs share.

Which sources assert this record, and when.

scry

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