ES
Email
Exchange Server
by Microsoft · last CVE Oct 13, 2026
On CISA KEVExploited in the wildRansomware-linked
258
CVEs
20
On KEV
9.8
Max CVSS
3
New 30D
Severity mix
Critical 23High 92Medium 66Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2023-21529
RansomwareIn wildKEV
8.8
59%
Feb 14
Microsoft Exchange Server Remote Code Execution Vulnerability
Affected: 2013; 2016; 2019; 2019
CVE-2022-41080
RansomwareIn wildKEV
8.8
77%
Nov 9
Microsoft Exchange Server Elevation of Privilege Vulnerability
Affected: 2013; 2016; 2016; 2019; 2019
CVE-2022-41040
RansomwareIn wildKEV
8.8
100%
Oct 3
Microsoft Exchange Server Elevation of Privilege Vulnerability
Affected: 2013; 2016; 2016; 2019; 2019
CVE-2021-42321
RansomwareIn wildKEV
8.8
92%
Nov 10
Microsoft Exchange Server Remote Code Execution Vulnerability
Affected: 2016; 2016; 2019; 2019
CVE-2020-0688
RansomwareIn wildKEV
8.8
100%
Feb 11
Microsoft Exchange Server Validation Key Remote Code Execution Vulnerability
Affected: 2010; 2013; 2016; 2016; 2019; 2019
CVE-2020-17144
In wildKEV
8.4
37%
Dec 9
Microsoft Exchange Remote Code Execution Vulnerability
Affected: 2010
CVE-2022-41082
RansomwareIn wildKEV
8.0
100%
Oct 3
Microsoft Exchange Server Remote Code Execution Vulnerability
Affected: 2013; 2016; 2016; 2019; 2019
CVE-2021-27065
RansomwareIn wildKEV
7.8
100%
Mar 2
Microsoft Exchange Server Remote Code Execution Vulnerability
Affected: 2013; 2013; 2013; 2013; 2016; 2016; +18 more
CVE-2021-26858
RansomwareIn wildKEV
7.8
94%
Mar 2
Microsoft Exchange Server Remote Code Execution Vulnerability
Affected: 2013; 2013; 2013; 2016; 2016; 2016; +18 more
CVE-2021-26857
RansomwareIn wildKEV
7.8
96%
Mar 2
Microsoft Exchange Server Remote Code Execution Vulnerability
Affected: 2010; 2013; 2013; 2013; 2013; 2016; +20 more
CVE-2017-8540
In wildKEV
7.8
72%
May 26
Microsoft Malware Protection Engine Improper Restriction of Operations Vulnerability
Affected: 2013; 2016
CVE-2018-8581
RansomwareIn wildKEV
7.4
27%
Nov 14
Microsoft Exchange Server Privilege Escalation Vulnerability
Affected: 2010; 2013; 2016; 2019
CVE-2021-33766
In wildKEV
7.3
98%
Jul 14
Microsoft Exchange Server Information Disclosure Vulnerability
Affected: 2013; 2016; 2016; 2019; 2019
CVE-2021-31196
In wildKEV
7.2
54%
Jul 14
Microsoft Exchange Server Remote Code Execution Vulnerability
Affected: 2013; 2016; 2016; 2019; 2019
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