Microsoft Server Exchange Server Vulnerabilities & Security Advisories
54 advisories tracked · Microsoft Security Update Guide (MSRC) · 13 listed in the CISA Known Exploited Vulnerabilities catalog
Every row below is a published Microsoft Server advisory that VulniPulse classified as Exchange Server, with the CVEs, affected and fixed releases and exploitation status the vendor stated. Severity mix: 13 critical, 32 high, 12 medium.
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Source
Microsoft Security Update Guide (MSRC)
Polled via the official MSRC Security Update Guide RSS feed (api.msrc.microsoft.com, no credentials required), scoped to SERVER products only — Windows Server, Exchange, SQL Server, SharePoint, Hyper-V and companion server roles. Client-only CVEs (Edge, Office apps, consumer Windows) are filtered out via the monthly CVRF document's affected-product list.
Latest MS Server Exchange Server advisories
High [CVE-2022-41080] Microsoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2013 Cumulative Update 23; Microsoft Exchange Server 2016 Cumulative Update 22; Microsoft Exchange Server 2016 Cumulative Update 23; Microsoft Exchange Server 2019 Cumulative Update 11; and 1 more. Affected products named by the advisory: Microsoft Exchange Server 2019 Cumulative Update 12.
High [CVE-2021-42321] Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2016 Cumulative Update 21; Microsoft Exchange Server 2016 Cumulative Update 22; Microsoft Exchange Server 2019 Cumulative Update 10; Microsoft Exchange Server 2019 Cumulative Update 11.
Medium [CVE-2021-42305] Microsoft Exchange Server Spoofing Vulnerability
Microsoft Exchange Server Spoofing Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2013 Cumulative Update 23; Microsoft Exchange Server 2016 Cumulative Update 21; Microsoft Exchange Server 2016 Cumulative Update 22; Microsoft Exchange Server 2019 Cumulative Update 10; and 1 more. Affected products named by the advisory: Microsoft Exchange Server 2019 Cumulative Update 11.
Critical [CVE-2021-34523] Microsoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2013 Cumulative Update 23; Microsoft Exchange Server 2016 Cumulative Update 19; Microsoft Exchange Server 2016 Cumulative Update 20; Microsoft Exchange Server 2019 Cumulative Update 8; and 1 more. Affected products named by the advisory: Microsoft Exchange Server 2019 Cumulative Update 9.
Critical [CVE-2021-34473] Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2013 Cumulative Update 23; Microsoft Exchange Server 2016 Cumulative Update 19; Microsoft Exchange Server 2016 Cumulative Update 20; Microsoft Exchange Server 2019 Cumulative Update 8; and 1 more. Affected products named by the advisory: Microsoft Exchange Server 2019 Cumulative Update 9.
High [CVE-2021-34470] Microsoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2013 Cumulative Update 23; Microsoft Exchange Server 2016 Cumulative Update 21; Microsoft Exchange Server 2019 Cumulative Update 10.
High [CVE-2021-33768] Microsoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2016 Cumulative Update 20; Microsoft Exchange Server 2016 Cumulative Update 21; Microsoft Exchange Server 2019 Cumulative Update 10; Microsoft Exchange Server 2019 Cumulative Update 9.
High [CVE-2021-33766] Microsoft Exchange Server Information Disclosure Vulnerability
Microsoft Exchange Server Information Disclosure Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2013 Cumulative Update 23; Microsoft Exchange Server 2016 Cumulative Update 19; Microsoft Exchange Server 2016 Cumulative Update 20; Microsoft Exchange Server 2019 Cumulative Update 8; and 1 more. Affected products named by the advisory: Microsoft Exchange Server 2019 Cumulative Update 9.
High [CVE-2021-31206] Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2013 Cumulative Update 23; Microsoft Exchange Server 2016 Cumulative Update 20; Microsoft Exchange Server 2016 Cumulative Update 21; Microsoft Exchange Server 2019 Cumulative Update 10; and 1 more. Affected products named by the advisory: Microsoft Exchange Server 2019 Cumulative Update 9.
Critical [CVE-2021-27078] Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2013 Cumulative Update 23; Microsoft Exchange Server 2016 Cumulative Update 18; Microsoft Exchange Server 2016 Cumulative Update 19; Microsoft Exchange Server 2019 Cumulative Update 7; and 1 more. Affected products named by the advisory: Microsoft Exchange Server 2019 Cumulative Update 8.
Critical [CVE-2021-26855] Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2016 Cumulative Update 19; Microsoft Exchange Server 2019 Cumulative Update 8; Microsoft Exchange Server 2019; Microsoft Exchange Server 2013 Cumulative Update 22; and 20 more. Affected products named by the advisory: Microsoft Exchange Server 2019 Cumulative Update 2; Microsoft Exchange Server 2016 Cumulative Update 13; Microsoft Exchange Server 2013 Cumulative Update 23; Microsoft Exchange Server 2019 Cumulative Update 3; and 16 more.
High [CVE-2021-27065] Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2019; Microsoft Exchange Server 2013 Cumulative Update 22; Microsoft Exchange Server 2019 Cumulative Update 2; Microsoft Exchange Server 2016 Cumulative Update 13; and 21 more. Affected products named by the advisory: Microsoft Exchange Server 2013 Cumulative Update 23; Microsoft Exchange Server 2019 Cumulative Update 3; Microsoft Exchange Server 2016 Cumulative Update 14; Microsoft Exchange Server 2019 Cumulative Update 4; and 17 more.
High [CVE-2021-26858] Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2019; Microsoft Exchange Server 2013 Cumulative Update 22; Microsoft Exchange Server 2019 Cumulative Update 2; Microsoft Exchange Server 2016 Cumulative Update 13; and 20 more. Affected products named by the advisory: Microsoft Exchange Server 2013 Cumulative Update 23; Microsoft Exchange Server 2019 Cumulative Update 3; Microsoft Exchange Server 2016 Cumulative Update 14; Microsoft Exchange Server 2019 Cumulative Update 4; and 16 more.
High [CVE-2021-26857] Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft Exchange Server 2016 Cumulative Update 19; Microsoft Exchange Server 2019 Cumulative Update 8; Microsoft Exchange Server 2019; Microsoft Exchange Server 2013 Cumulative Update 22; and 22 more. Affected products named by the advisory: Microsoft Exchange Server 2019 Cumulative Update 2; Microsoft Exchange Server 2016 Cumulative Update 13; Microsoft Exchange Server 2013 Cumulative Update 23; Microsoft Exchange Server 2019 Cumulative Update 3; and 18 more.