Search Results (185 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2021-27065 1 Microsoft 1 Exchange Server 2026-10-01 7.8 High
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-26858 1 Microsoft 1 Exchange Server 2026-10-01 7.8 High
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-26857 1 Microsoft 1 Exchange Server 2026-08-19 7.8 High
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-27078 1 Microsoft 1 Exchange Server 2026-08-19 9.1 Critical
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-26855 1 Microsoft 1 Exchange Server 2026-08-19 9.1 Critical
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-26854 1 Microsoft 1 Exchange Server 2026-08-19 6.6 Medium
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-26412 1 Microsoft 1 Exchange Server 2026-08-19 9.1 Critical
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-34470 1 Microsoft 1 Exchange Server 2026-08-10 8 High
Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2021-33768 1 Microsoft 1 Exchange Server 2026-08-10 8 High
Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2021-33766 1 Microsoft 1 Exchange Server 2026-08-10 7.3 High
Microsoft Exchange Server Information Disclosure Vulnerability
CVE-2021-31206 1 Microsoft 1 Exchange Server 2026-08-10 7.6 High
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-34473 1 Microsoft 1 Exchange Server 2026-08-10 9.1 Critical
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-34523 1 Microsoft 1 Exchange Server 2026-08-10 9 Critical
Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2021-31196 1 Microsoft 1 Exchange Server 2026-08-10 7.2 High
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2026-45502 1 Microsoft 5 Exchange Server, Exchange Server 2016, Exchange Server 2019 and 2 more 2026-06-15 5 Medium
Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.
CVE-2026-45504 1 Microsoft 9 Exchange Server, Exchange Server 2016, Exchange Server 2019 and 6 more 2026-06-15 8.8 High
Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
CVE-2025-53786 1 Microsoft 6 Exchange, Exchange Server, Exchange Server 2016 and 3 more 2026-06-15 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-2026-21527 1 Microsoft 9 Exchange Server, Exchange Server 2016, Exchange Server 2019 and 6 more 2026-06-15 6.5 Medium
User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
CVE-2009-1491 2 Mcafee, Microsoft 2 Groupshield, Exchange Server 2026-04-23 N/A
McAfee GroupShield for Microsoft Exchange on Exchange Server 2000, and possibly other anti-virus or anti-spam products from McAfee or other vendors, does not scan X- headers for malicious content, which allows remote attackers to bypass virus detection via a crafted message, as demonstrated by a message with an X-Testing header and no message body.
CVE-2009-0098 1 Microsoft 1 Exchange Server 2026-04-23 N/A
Microsoft Exchange 2000 Server SP3, Exchange Server 2003 SP2, and Exchange Server 2007 SP1 do not properly interpret Transport Neutral Encapsulation (TNEF) properties, which allows remote attackers to execute arbitrary code via a crafted TNEF message, aka "Memory Corruption Vulnerability."