Filtered by vendor Microsoft Subscriptions
Filtered by product Exchange Server Subscriptions
Total 236 CVE
CVE Vendors Products Updated CVSS v3.1
CVE-2025-25007 1 Microsoft 1 Exchange Server 2025-11-04 5.3 Medium
Improper validation of syntactic correctness of input in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
CVE-2025-25006 1 Microsoft 1 Exchange Server 2025-11-04 5.3 Medium
Improper handling of additional special element in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
CVE-2025-25005 1 Microsoft 1 Exchange Server 2025-11-04 6.5 Medium
Improper input validation in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.
CVE-2025-53786 1 Microsoft 2 Exchange, Exchange Server 2025-11-04 8 High
On April 18th 2025, Microsoft announced Exchange Server Security Changes for Hybrid Deployments and accompanying non-security Hot Fix. Microsoft made these changes in the general interest of improving the security of hybrid Exchange deployments. Following further investigation, Microsoft identified specific security implications tied to the guidance and configuration steps outlined in the April announcement. Microsoft is issuing CVE-2025-53786 to document a vulnerability that is addressed by taking the steps documented with the April 18th announcement. Microsoft strongly recommends reading the information, installing the April 2025 (or later) Hot Fix and implementing the changes in your Exchange Server and hybrid environment.
CVE-2025-33051 1 Microsoft 1 Exchange Server 2025-11-04 7.5 High
Exposure of sensitive information to an unauthorized actor in Microsoft Exchange Server allows an unauthorized attacker to disclose information over a network.
CVE-2025-59248 1 Microsoft 3 Exchange, Exchange Server, Exchange Srv 2025-11-04 7.5 High
Improper input validation in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
CVE-2025-59249 1 Microsoft 5 Exchange, Exchange Server, Exchange Server 2016 and 2 more 2025-11-04 8.8 High
Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
CVE-2025-53782 1 Microsoft 1 Exchange Server 2025-11-04 8.4 High
Incorrect implementation of authentication algorithm in Microsoft Exchange Server allows an unauthorized attacker to elevate privileges locally.
CVE-2021-26855 1 Microsoft 1 Exchange Server 2025-10-30 9.1 Critical
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-26857 1 Microsoft 1 Exchange Server 2025-10-30 7.8 High
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-26858 1 Microsoft 1 Exchange Server 2025-10-30 7.8 High
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-27065 1 Microsoft 1 Exchange Server 2025-10-30 7.8 High
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-31207 1 Microsoft 1 Exchange Server 2025-10-30 6.6 Medium
Microsoft Exchange Server Security Feature Bypass Vulnerability
CVE-2022-41080 1 Microsoft 1 Exchange Server 2025-10-30 8.8 High
Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2022-41082 1 Microsoft 1 Exchange Server 2025-10-30 8 High
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2022-41040 1 Microsoft 1 Exchange Server 2025-10-30 8.8 High
Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2021-42321 1 Microsoft 1 Exchange Server 2025-10-30 8.8 High
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-34523 1 Microsoft 1 Exchange Server 2025-10-30 9 Critical
Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2023-36777 1 Microsoft 1 Exchange Server 2025-10-30 5.7 Medium
Microsoft Exchange Server Information Disclosure Vulnerability
CVE-2023-36744 1 Microsoft 1 Exchange Server 2025-10-30 8 High
Microsoft Exchange Server Remote Code Execution Vulnerability