Microsoft Exchange Server vulnerabilities

CVE-2019-1233 [HIGH] CVE-2019-1233: A denial of service vulnerability exists in Microsoft Exchange Server software when the software fai A denial of service vulnerability exists in Microsoft Exchange Server software when the software fails to properly handle objects in memory, aka 'Microsoft Exchange Denial of Service Vulnerability'.

CVE-2025-25005 [MEDIUM] CWE-20 CVE-2025-25005: Improper input validation in Microsoft Exchange Server allows an authorized attacker to perform tamp Improper input validation in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.

CVE-2023-21761 [HIGH] CWE-918 CVE-2023-21761: Microsoft Exchange Server Information Disclosure Vulnerability Microsoft Exchange Server Information Disclosure Vulnerability

CVE-2026-45503 [MEDIUM] CWE-285 CVE-2026-45503: Improper authorization in Microsoft Exchange Server allows an authorized attacker to disclose inform Improper authorization in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.

CVE-2020-17083 [MEDIUM] CWE-79 CVE-2020-17083: Microsoft Exchange Server Remote Code Execution Vulnerability Microsoft Exchange Server Remote Code Execution Vulnerability

CVE-2018-0940 [MEDIUM] CVE-2018-0940: Microsoft Exchange Outlook Web Access (OWA) in Microsoft Exchange Server 2010 Service Pack 3 Update Microsoft Exchange Outlook Web Access (OWA) in Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 20, Microsoft Exchange Server 2013 Cumulative Update 18, Microsoft Exchange Server 2013 Cumulative Update 19, Microsoft Exchange Server 2013 Service Pack 1, Microsoft Exchange Server 2016 Cumulative Update 7, and Microsoft Exchange Server 2016 Cumulative

CVE-2019-1084 [MEDIUM] CWE-200 CVE-2019-1084: An information disclosure vulnerability exists when Exchange allows creation of entities with Displa An information disclosure vulnerability exists when Exchange allows creation of entities with Display Names having non-printable characters. An authenticated attacker could exploit this vulnerability by creating entities with invalid display names, which, when added to conversations, remain invisible. This security update addresses the issue by valida

CVE-2022-21978 [HIGH] CVE-2022-21978: Microsoft Exchange Server Elevation of Privilege Vulnerability Microsoft Exchange Server Elevation of Privilege Vulnerability

CVE-2013-0418 [MEDIUM] CVE-2013-0418: Unspecified vulnerability in the Oracle Outside In Technology component in Oracle Fusion Middleware Unspecified vulnerability in the Oracle Outside In Technology component in Oracle Fusion Middleware 8.3.7 and 8.4 allows context-dependent attackers to affect availability via unknown vectors related to Outside In Filters, a different vulnerability than CVE-2013-0393. NOTE: the previous information was obtained from the January 2013 CPU. Oracle has not comment

CVE-2018-0924 [MEDIUM] CWE-601 CVE-2018-0924: Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 20, Microsoft Exchange Server 2013 Cumul Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 20, Microsoft Exchange Server 2013 Cumulative Update 18, Microsoft Exchange Server 2013 Cumulative Update 19, Microsoft Exchange Server 2013 Service Pack 1, Microsoft Exchange Server 2016 Cumulative Update 7, and Microsoft Exchange Server 2016 Cumulative Update 8 allow an information disclosu

CVE-2002-0054 [HIGH] CWE-294 CVE-2002-0054: SMTP service in (1) Microsoft Windows 2000 and (2) Internet Mail Connector (IMC) in Exchange Server SMTP service in (1) Microsoft Windows 2000 and (2) Internet Mail Connector (IMC) in Exchange Server 5.5 does not properly handle responses to NTLM authentication, which allows remote attackers to perform mail relaying via an SMTP AUTH command using null session credentials.

CVE-2010-1689 [MEDIUM] CVE-2010-1689: The DNS implementation in smtpsvc.dll before 6.0.2600.5949 in Microsoft Windows 2000 SP4 and earlier The DNS implementation in smtpsvc.dll before 6.0.2600.5949 in Microsoft Windows 2000 SP4 and earlier, Windows XP SP3 and earlier, Windows Server 2003 SP2 and earlier, Windows Server 2008 SP2 and earlier, Windows Server 2008 R2, Exchange Server 2003 SP3 and earlier, Exchange Server 2007 SP2 and earlier, and Exchange Server 2010 uses predictable transaction IDs

CVE-2010-1690 [MEDIUM] CVE-2010-1690: The DNS implementation in smtpsvc.dll before 6.0.2600.5949 in Microsoft Windows 2000 SP4 and earlier The DNS implementation in smtpsvc.dll before 6.0.2600.5949 in Microsoft Windows 2000 SP4 and earlier, Windows XP SP3 and earlier, Windows Server 2003 SP2 and earlier, Windows Server 2008 SP2 and earlier, Windows Server 2008 R2, Exchange Server 2003 SP3 and earlier, Exchange Server 2007 SP2 and earlier, and Exchange Server 2010 does not verify that transaction

CVE-2021-34453 [HIGH] CVE-2021-34453: Microsoft Exchange Server Denial of Service Vulnerability Microsoft Exchange Server Denial of Service Vulnerability

CVE-2019-0588 [MEDIUM] CWE-732 CVE-2019-0588: An information disclosure vulnerability exists when the Microsoft Exchange PowerShell API grants cal An information disclosure vulnerability exists when the Microsoft Exchange PowerShell API grants calendar contributors more view permissions than intended, aka "Microsoft Exchange Information Disclosure Vulnerability." This affects Microsoft Exchange Server.

CVE-2020-16969 [MEDIUM] CVE-2020-16969: <p>An information disclosure vulnerability exists in how Microsoft Exchange validates tokens when ha An information disclosure vulnerability exists in how Microsoft Exchange validates tokens when handling certain messages. An attacker who successfully exploited the vulnerability could use this to gain further information from a user. To exploit the vulnerability, an attacker could include specially crafted OWA messages that could be loaded, without warning

CVE-2015-2505 [MEDIUM] CWE-200 CVE-2015-2505: Outlook Web Access (OWA) in Microsoft Exchange Server 2013 Cumulative Update 8 and 9 and SP1 allows Outlook Web Access (OWA) in Microsoft Exchange Server 2013 Cumulative Update 8 and 9 and SP1 allows remote attackers to obtain sensitive stacktrace information via a crafted request, aka "Exchange Information Disclosure Vulnerability."

CVE-2016-3379 [MEDIUM] CWE-79 CVE-2016-3379: Cross-site scripting (XSS) vulnerability in Microsoft Exchange Server 2016 Cumulative Update 1 and 2 Cross-site scripting (XSS) vulnerability in Microsoft Exchange Server 2016 Cumulative Update 1 and 2 allows remote attackers to inject arbitrary web script or HTML via a meeting-invitation request, aka "Microsoft Exchange Elevation of Privilege Vulnerability."

CVE-2016-0031 [MEDIUM] CVE-2016-0031: Cross-site scripting (XSS) vulnerability in Outlook Web Access (OWA) in Microsoft Exchange Server 20 Cross-site scripting (XSS) vulnerability in Outlook Web Access (OWA) in Microsoft Exchange Server 2016 allows remote attackers to inject arbitrary web script or HTML via a crafted URL, aka "Exchange Spoofing Vulnerability," a different vulnerability than CVE-2016-0029.

CVE-2016-0029 [MEDIUM] CWE-79 CVE-2016-0029: Cross-site scripting (XSS) vulnerability in Outlook Web Access (OWA) in Microsoft Exchange Server 20 Cross-site scripting (XSS) vulnerability in Outlook Web Access (OWA) in Microsoft Exchange Server 2016 allows remote attackers to inject arbitrary web script or HTML via a crafted URL, aka "Exchange Spoofing Vulnerability," a different vulnerability than CVE-2016-0031.