Search Results (275 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2003-0904 1 Microsoft 3 Exchange Server, Sharepoint Services, Windows Server 2003 2026-04-16 N/A
Microsoft Exchange 2003 and Outlook Web Access (OWA), when configured to use NTLM authentication, does not properly reuse HTTP connections, which can cause OWA users to view mailboxes of other users when Kerberos has been disabled as an authentication method for IIS 6.0, e.g. when SharePoint Services 2.0 is installed.
CVE-2005-1987 1 Microsoft 4 Exchange Server, Windows 2000, Windows Server 2003 and 1 more 2026-04-16 N/A
Buffer overflow in Collaboration Data Objects (CDO), as used in Microsoft Windows and Microsoft Exchange Server, allows remote attackers to execute arbitrary code when CDOSYS or CDOEX processes an e-mail message with a large header name, as demonstrated using the "Content-Type" string.
CVE-2005-0560 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Heap-based buffer overflow in the SvrAppendReceivedChunk function in xlsasink.dll in the SMTP service of Exchange Server 2000 and 2003 allows remote attackers to execute arbitrary code via a crafted X-LINK2STATE extended verb request to the SMTP port.
CVE-2002-1790 1 Microsoft 3 Exchange Server, Internet Information Server, Internet Information Services 2026-04-16 N/A
The SMTP service in Microsoft Internet Information Services (IIS) 4.0 and 5.0 allows remote attackers to bypass anti-relaying rules and send spam or spoofed messages via encapsulated SMTP addresses, a similar vulnerability to CVE-1999-0682.
CVE-2001-0146 1 Microsoft 2 Exchange Server, Internet Information Services 2026-04-16 N/A
IIS 5.0 and Microsoft Exchange 2000 allow remote attackers to cause a denial of service (memory allocation error) by repeatedly sending a series of specially formatted URL's.
CVE-2026-26137 1 Microsoft 3 365 Copilot Business Chat, 365 Copilot Chat, Exchange Online 2026-04-14 9.9 Critical
Server-side request forgery (ssrf) in Microsoft Exchange allows an authorized attacker to elevate privileges over a network.
CVE-2023-21529 1 Microsoft 1 Exchange Server 2026-04-14 8.8 High
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2025-58107 1 Microsoft 4 Exchange, Exchange Server, Exchange Server 2016 and 1 more 2026-03-03 7.5 High
In Microsoft Exchange through 2019, Exchange ActiveSync (EAS) configurations on on-premises servers may transmit sensitive data from Samsung mobile devices in cleartext, including the user's name, e-mail address, device ID, bearer token, and base64-encoded password.
CVE-2021-1730 1 Microsoft 1 Exchange Server 2026-02-24 5.4 Medium
<p>A spoofing vulnerability exists in Microsoft Exchange Server which could result in an attack that would allow a malicious actor to impersonate the user.</p> <p>This update addresses this vulnerability.</p> <p>To prevent these types of attacks, Microsoft recommends customers to download inline images from different DNSdomains than the rest of OWA. Please see further instructions in the FAQ to put in place this mitigations.</p>
CVE-2020-16969 1 Microsoft 1 Exchange Server 2026-02-23 7.1 High
<p>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.</p> <p>To exploit the vulnerability, an attacker could include specially crafted OWA messages that could be loaded, without warning or filtering, from the attacker-controlled URL. This callback vector provides an information disclosure tactic used in web beacons and other types of tracking systems.</p> <p>The security update corrects the way that Exchange handles these token validations.</p>
CVE-2020-16875 1 Microsoft 1 Exchange Server 2026-02-23 8.4 High
<p>A remote code execution vulnerability exists in Microsoft Exchange server due to improper validation of cmdlet arguments.</p> <p>An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the System user. Exploitation of the vulnerability requires an authenticated user in a certain Exchange role to be compromised.</p> <p>The security update addresses the vulnerability by correcting how Microsoft Exchange handles cmdlet arguments.</p>
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-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
CVE-2023-36745 1 Microsoft 1 Exchange Server 2025-10-30 8 High
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2023-36756 1 Microsoft 1 Exchange Server 2025-10-30 8 High
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2023-36757 1 Microsoft 1 Exchange Server 2025-10-30 8 High
Microsoft Exchange Server Spoofing Vulnerability