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

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

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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-2026-55006 Microsoft Exchange Server Elevation of Privilege 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-2026-55008

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-2026-55008 Microsoft Exchange Server Spoofing Vulnerability

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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 Subscription Edition RTM: July 14, 2026 (KB5103212)

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Microsoft Exchange Server Spoofing Vulnerability

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...

Microsoft Exchange Server Remote Code Execution Vulnerability

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

Microsoft Exchange Server Elevation of Privilege Vulnerability

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

EUVD-2026-41446

Incorrect authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network...

CVE-2026-54998

Incorrect authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network...

CVE-2026-54998 Microsoft Exchange Online Elevation of Privilege Vulnerability

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CVE-2026-54998 Microsoft Exchange Online Elevation of Privilege Vulnerability

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CVE-2026-54998

Incorrect authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network...