Known Vulnerabilities for Exchange Server by Microsoft

Listed below are 10 of the newest known vulnerabilities associated with "Exchange Server" by "Microsoft".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-33371 An issue was discovered in Zimbra Collaboration (ZCS) 10.0 and 10.1. An XML External Entity (XXE) vulnerability exists in the... Not Provided 2026-03-20 2026-03-23
CVE-2022-24516 Microsoft Exchange Server Elevation of Privilege Vulnerability 8 - HIGH 2022-08-09 2023-06-01
CVE-2022-24477 Microsoft Exchange Server Elevation of Privilege Vulnerability 8 - HIGH 2022-08-09 2023-06-01
CVE-2022-24463 Microsoft Exchange Server Spoofing Vulnerability 6.5 - MEDIUM 2022-03-09 2023-06-29
CVE-2022-23277 Microsoft Exchange Server Remote Code Execution Vulnerability 8.8 - HIGH 2022-03-09 2023-06-29
CVE-2022-21980 Microsoft Exchange Server Elevation of Privilege Vulnerability 8 - HIGH 2022-08-09 2023-06-01
CVE-2022-21979 Microsoft Exchange Server Information Disclosure Vulnerability 4.8 - MEDIUM 2022-08-09 2023-06-01
CVE-2022-21978 Microsoft Exchange Server Elevation of Privilege Vulnerability. 8.2 - HIGH 2022-05-10 2023-12-21
CVE-2022-21969 Microsoft Exchange Server Remote Code Execution Vulnerability. This CVE ID is unique from CVE-2022-21846, CVE-2022-21855. 9 - CRITICAL 2022-01-11 2023-12-21
CVE-2022-21855 Microsoft Exchange Server Remote Code Execution Vulnerability. This CVE ID is unique from CVE-2022-21846, CVE-2022-21969. 9 - CRITICAL 2022-01-11 2023-12-21
Results limited to 10 most recent vulnerabilities

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationMicrosoftExchange Server5.5AllAllAll
ApplicationMicrosoftExchange Server5.5-AllAll
ApplicationMicrosoftExchange Server5.5sp1AllAll
ApplicationMicrosoftExchange Server5.5sp2AllAll
ApplicationMicrosoftExchange Server5.5sp3AllAll
ApplicationMicrosoftExchange Server5.5sp4AllAll
ApplicationMicrosoftExchange Server5.0AllAllAll
ApplicationMicrosoftExchange Server5.0-AllAll
ApplicationMicrosoftExchange Server5.0sp1AllAll
ApplicationMicrosoftExchange Server5.0sp2AllAll
ApplicationMicrosoftExchange Server4.0AllAllAll
ApplicationMicrosoftExchange Server4.0-AllAll
ApplicationMicrosoftExchange Server4.0sp1AllAll
ApplicationMicrosoftExchange Server4.0sp2AllAll
ApplicationMicrosoftExchange Server4.0sp3AllAll
ApplicationMicrosoftExchange Server4.0sp4AllAll
ApplicationMicrosoftExchange Server4.0sp5AllAll
ApplicationMicrosoftExchange Server2019-AllAll
ApplicationMicrosoftExchange Server2019cumulative_update_1AllAll
ApplicationMicrosoftExchange Server2019cumulative_update_2AllAll
Results limited to 20 most recent known configurations
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