Microsoft Exchange Server vulnerabilities

Improper verification of cryptographic signature in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

A vulnerability in Microsoft Exchange Server involves inclusion of functionality from an untrusted control sphere. An authorized attacker can elevate privileges locally.

A deserialization of untrusted data vulnerability in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.

Improper neutralization of input during web page generation (cross-site scripting) in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.

Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.

A cross-site scripting (XSS) vulnerability in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network. The flaw is due to improper neutralization of input during web page generation.

A Server-Side Request Forgery (SSRF) vulnerability in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.

A flaw in the user interface of Microsoft Exchange Server leads to misrepresentation of critical information, allowing an unauthorized attacker to perform spoofing over a network.

On April 18th, 2025, Microsoft announced security changes for Exchange Server in hybrid deployments and accompanying hot fixes. Further investigation revealed specific security implications related to these changes.

A vulnerability in Microsoft Exchange Server allows for remote code execution. An attacker can exploit this flaw to gain control over the system.

A vulnerability in Microsoft Exchange Server allows attackers to spoof other email addresses. Exploiting this flaw could lead to email communication fraud.

A vulnerability in Microsoft Exchange Server allows for remote code execution. An attacker can exploit this flaw to gain control over the system.

Elevation of privilege vulnerability in Microsoft Exchange Server. It allows an attacker to elevate their privileges in the system.

Remote code execution vulnerability in Microsoft Exchange Server. Allows an attacker to execute arbitrary code in the context of the Exchange server.

Spoofing vulnerability in Microsoft Exchange Server. An attacker can impersonate another entity, potentially leading to fraud or unauthorized actions.

Spoofing vulnerability in Microsoft Exchange Server. An attacker can impersonate another entity, potentially leading to fraud or unauthorized actions.

Remote code execution vulnerability in Microsoft Exchange Server. Allows an attacker to execute code remotely on the server.

Remote code execution vulnerability in Microsoft Exchange Server. Allows an attacker to execute arbitrary code on the server.

Remote code execution vulnerability in Microsoft Exchange Server. An attacker can exploit this flaw to execute arbitrary code on the server.

Remote code execution vulnerability in Microsoft Exchange Server. Allows an attacker to execute arbitrary code on the server.

Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network. The vulnerability requires valid credentials.

The vulnerability in Microsoft Exchange Server involves the use of a broken or risky cryptographic algorithm. It allows an unauthorized attacker to disclose information over a network.

Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

Uncontrolled recursion in Microsoft Exchange Server allows an unauthorized attacker to cause a denial of service over a network.

The vulnerability in Microsoft Exchange Server is an authorization bypass through a user-controlled key. It allows an authorized attacker to perform tampering over a network.

A server-side request forgery (SSRF) vulnerability in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.

External control of file name or path in Microsoft Exchange Server allows an authorized attacker to execute code over a network.

A double-free vulnerability in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.

Server-side request forgery (SSRF) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

A missing authorization vulnerability in Microsoft Exchange Server allows an authorized attacker to bypass a security feature over a network.

Improper neutralization of input during web page generation (cross-site scripting) in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.

Heap-based buffer overflow in Microsoft Exchange Server allows an authorized attacker to execute code over a network.

A deserialization of untrusted data vulnerability in Microsoft Exchange Server allows an authorized attacker to deny service over a network.