Search Results (283 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2000-0524 1 Microsoft 2 Exchange Server, Outlook 2026-04-16 N/A
Microsoft Outlook and Outlook Express allow remote attackers to cause a denial of service by sending email messages with blank fields such as BCC, Reply-To, Return-Path, or From.
CVE-2005-0044 1 Microsoft 7 Exchange Server, Windows 2000, Windows 2003 Server and 4 more 2026-04-16 N/A
The OLE component in Windows 98, 2000, XP, and Server 2003, and Exchange Server 5.0 through 2003, does not properly validate the lengths of messages for certain OLE data, which allows remote attackers to execute arbitrary code, aka the "Input Validation Vulnerability."
CVE-2002-0698 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Buffer overflow in Internet Mail Connector (IMC) for Microsoft Exchange Server 5.5 allows remote attackers to execute arbitrary code via an EHLO request from a system with a long name as obtained through a reverse DNS lookup, which triggers the overflow in IMC's hello response.
CVE-2004-0203 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Cross-site scripting (XSS) vulnerability in Outlook Web Access for Exchange Server 5.5 Service Pack 4 allows remote attackers to insert arbitrary script and spoof content in HTML email or web caches via an HTML redirect query.
CVE-2005-0420 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Microsoft Outlook Web Access (OWA), when used with Exchange, allows remote attackers to redirect users to arbitrary URLs for login via a link to the owalogon.asp application.
CVE-2001-0340 1 Microsoft 1 Exchange Server 2026-04-16 N/A
An interaction between the Outlook Web Access (OWA) service in Microsoft Exchange 2000 Server and Internet Explorer allows attackers to execute malicious script code against a user's mailbox via a message attachment that contains HTML code, which is executed automatically.
CVE-2002-0507 2 Microsoft, Rsa 2 Exchange Server, Securid 2026-04-16 N/A
An interaction between Microsoft Outlook Web Access (OWA) with RSA SecurID allows local users to bypass the SecurID authentication for a previous user via several submissions of an OWA Authentication request with the proper OWA password for the previous user, which is eventually accepted by OWA.
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-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-2002-1873 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Microsoft Exchange 2000, when used with Microsoft Remote Procedure Call (MSRPC), allows remote attackers to cause a denial of service (crash or memory consumption) via malformed MSRPC calls.
CVE-2006-1193 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Cross-site scripting (XSS) vulnerability in Microsoft Exchange Server 2000 SP1 through SP3, when running Outlook Web Access (OWA), allows user-assisted remote attackers to inject arbitrary HTML or web script via unknown vectors related to "HTML parsing."
CVE-2001-1099 2 Microsoft, Symantec 2 Exchange Server, Norton Antivirus 2026-04-16 N/A
The default configuration of Norton AntiVirus for Microsoft Exchange 2000 2.x allows remote attackers to identify the recipient's INBOX file path by sending an email with an attachment containing malicious content, which includes the path in the rejection notice.
CVE-2001-1319 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Microsoft Exchange 5.5 2000 allows remote attackers to cause a denial of service (hang) via exceptional BER encodings for the LDAP filter type field, as demonstrated by the PROTOS LDAPv3 test suite.
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