Search Results (276 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2001-0660 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Outlook Web Access (OWA) in Microsoft Exchange 5.5, SP4 and earlier, allows remote attackers to identify valid user email addresses by directly accessing a back-end function that processes the global address list (GAL).
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-1999-0007 5 C2net, Hp, Microsoft and 2 more 13 Stonghold Web Server, Open Market Secure Webserver, Exchange Server and 10 more 2026-04-16 N/A
Information from SSL-encrypted sessions via PKCS #1.
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-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-2001-0509 1 Microsoft 4 Exchange Server, Sql Server, Windows 2000 and 1 more 2026-04-16 N/A
Vulnerabilities in RPC servers in (1) Microsoft Exchange Server 2000 and earlier, (2) Microsoft SQL Server 2000 and earlier, (3) Windows NT 4.0, and (4) Windows 2000 allow remote attackers to cause a denial of service via malformed inputs.
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-1999-0945 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Buffer overflow in Internet Mail Service (IMS) for Microsoft Exchange 5.5 and 5.0 allows remote attackers to conduct a denial of service via AUTH or AUTHINFO commands.
CVE-2003-0712 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Cross-site scripting (XSS) vulnerability in the HTML encoding for the Compose New Message form in Microsoft Exchange Server 5.5 Outlook Web Access (OWA) allows remote attackers to execute arbitrary web script.
CVE-2002-0368 1 Microsoft 1 Exchange Server 2026-04-16 N/A
The Store Service in Microsoft Exchange 2000 allows remote attackers to cause a denial of service (CPU consumption) via a mail message with a malformed RFC message attribute, aka "Malformed Mail Attribute can Cause Exchange 2000 to Exhaust CPU Resources."
CVE-1999-0993 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Modifications to ACLs (Access Control Lists) in Microsoft Exchange 5.5 do not take effect until the directory store cache is refreshed.
CVE-1999-0682 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Microsoft Exchange 5.5 allows a remote attacker to relay email (i.e. spam) using encapsulated SMTP addresses, even if the anti-relaying features are enabled.
CVE-2002-0055 1 Microsoft 3 Exchange Server, Windows 2000, Windows Xp 2026-04-16 N/A
SMTP service in Microsoft Windows 2000, Windows XP Professional, and Exchange 2000 allows remote attackers to cause a denial of service via a command with a malformed data transfer (BDAT) request.
CVE-2006-0027 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Unspecified vulnerability in Microsoft Exchange allows remote attackers to execute arbitrary code via e-mail messages with crafted (1) vCal or (2) iCal Calendar properties.
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>