Microsoft Exchange - Pre-Auth SSRF / ACL Bypass (ProxyNotFound)

Microsoft Exchange Server contains a remote code execution caused by improper input validation in the server component, letting remote attackers execute arbitrary code, exploit requires network access to the server. id: CVE-2021-28481 info: name: Microsoft Exchange - Pre-Auth SSRF / ACL Bypass...

Microsoft OWA Exchange Server 2003 - 'redir.asp' Open Redirection

Open redirect vulnerability in exchweb/bin/redir.asp in Microsoft Outlook Web Access OWA for Exchange Server 2003 SP2 aka build 6.5.7638 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the URL parameter. id: CVE-2008-1547 info: name:...

CVE-2026-55009

Deserialization of untrusted data 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-2026-55006

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

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

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

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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-2026-55006 Microsoft Exchange Server Elevation of Privilege Vulnerability

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CVE-2026-55008 Microsoft Exchange Server Spoofing Vulnerability

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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...

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

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CVE-2026-55008

CVE-2026-55008 affects Microsoft Exchange Server and is caused by improper neutralization of input during web page generation, enabling cross-site scripting. The NVD entry lists a high-severity CVSS 3.1 base score of 9.6 (NETWORK, LOW attack complexity, NONE privileges, user interaction required,...

CVE-2026-55005 Microsoft Exchange Server Remote Code Execution Vulnerability

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CVE-2026-55005

CVE-2026-55005 is a reported heap-based buffer overflow in Microsoft Exchange Server that enables an authorized attacker to execute code over the network. According to the sources, the vulnerability can be triggered remotely (attack vector: NETWORK) with low privileges required and no user intera...

Description of the security update for Microsoft Exchange Server Subscription Edition RTM: July 14, 2026 (KB5103212)

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Description of the security update for Microsoft Exchange Server 2016 CU23: July 14, 2026 (KB5103215)

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Description of the security update for Microsoft Exchange Server 2019 CU14: July 14, 2026 (KB5103214)

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Description of the security update for Microsoft Exchange Server 2019 CU15: July 14, 2026 (KB5103213)

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