PT-2026-70599

Name of the Vulnerable Software and Affected Versions Microsoft Exchange Server affected versions not specified Description Deserialization of untrusted data allows an authorized attacker to cause a denial of service over a network. Deserialization is the process of converting a data stream back...

PT-2026-70602

Name of the Vulnerable Software and Affected Versions Microsoft Exchange Server affected versions not specified Description Missing authorization allows an authorized attacker to bypass a security feature over a network. Recommendations At the moment, there is no information about a newer version...

PT-2026-70697

Name of the Vulnerable Software and Affected Versions Microsoft Exchange Server affected versions not specified Description A server-side request forgery SSRF issue allows an authorized attacker to elevate privileges over a network. SSRF is a flaw where an attacker can induce the server to make...

PT-2026-70598

Name of the Vulnerable Software and Affected Versions Microsoft Exchange Server affected versions not specified Description An authentication bypass via capture-replay allows an authorized attacker to elevate privileges over a network. This issue involves improper authorization and external contr...

KLA91210 Multiple vulnerabilities in Microsoft Server Software

Multiple vulnerabilities were found in Microsoft Server Software. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code, gain privileges, perform cross-site scripting attack, spoof user interface. Below is a complete lis...

PT-2026-70600

Name of the Vulnerable Software and Affected Versions Microsoft Exchange Server affected versions not specified Description A heap-based buffer overflow allows an authorized attacker to execute arbitrary code over a network, which can affect the system. A heap-based buffer overflow occurs when a...

Security Updates for Microsoft Exchange Server (August 2026)

The Microsoft Exchange Server installed on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities: - Improper control of resource identifiers 'resource injection' in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a...

EUVD-2026-44026

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...

EUVD-2026-44024

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

CVE-2026-55006

Insufficient granularity of access control in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally...

CVE-2026-55005

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

CVE-2026-55008

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...

CVE-2026-55009

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

CVE-2026-55009 Microsoft Exchange Server Elevation of Privilege Vulnerability

...

CVE-2026-55009

CVE-2026-55009 describes a deserialization of untrusted data in Microsoft Exchange Server that enables a locally authenticated attacker to elevate privileges. The CVSSv3.1 details show a Local attack vector, Low attack complexity, Low privileges required, and No user interaction, with High impact...

CVE-2026-55009 Microsoft Exchange Server Elevation of Privilege Vulnerability

...

CVE-2026-55009

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

CVE-2026-55006 Microsoft Exchange Server Elevation of Privilege Vulnerability

...

CVE-2026-55008 Microsoft Exchange Server Spoofing Vulnerability

...

CVE-2026-55006

Microsoft Exchange Server vulnerability CVE-2026-55006: Insufficient granularity of access control enables local privilege escalation for an authorized attacker. Root cause: lack of fine-grained access controls. Impact: high confidentiality, integrity, and availability impact per CVSS 3.1 (AV:L/A...