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High 8.8
Microsoft Exchange Server Elevation of Privilege Vulnerability
Incorrect authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
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High 7.8
Microsoft Exchange Server Elevation of Privilege Vulnerability
Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.
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High 7.8
Microsoft Exchange Server Elevation of Privilege Vulnerability
Inclusion of functionality from untrusted control sphere in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.
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High 7.5
Microsoft Exchange Server Elevation of Privilege Vulnerability
Improper verification of cryptographic signature in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
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High 8.1
Microsoft Exchange Server Remote Code Execution Vulnerability
Stack-based buffer overflow in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.
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High 8.8CVE-2026-96940 Public exploit
Microsoft Exchange Server Elevation of Privilege Vulnerability
Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
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High 8.1
Microsoft Exchange Server Elevation of Privilege Vulnerability
Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
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High 7.5
Microsoft Exchange Server Denial of Service Vulnerability
Uncontrolled recursion in Microsoft Exchange Server allows an unauthorized attacker to deny service over a network.
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High 8.8
Microsoft Exchange Server Remote Code Execution Vulnerability
External control of file name or path in Microsoft Exchange Server allows an authorized attacker to execute code over a network.
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High 8.0CVE-2026-62911 Public exploit
Microsoft Exchange Server Elevation of Privilege Vulnerability
Authentication bypass by capture-replay in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
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High 7.3
Microsoft Exchange Server Spoofing Vulnerability
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.
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High 8.8
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.
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High 7.2
Microsoft Exchange Server Elevation of Privilege Vulnerability
Improper control of resource identifiers ('resource injection') in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
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High 7.8
Microsoft Exchange Server Elevation of Privilege Vulnerability
Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.
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High 7.8
Microsoft Exchange Server Elevation of Privilege Vulnerability
Insufficient granularity of access control in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.
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High 8.8
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.
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High 8.1
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.
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High 8.8CVE-2026-45504 Public exploit
Microsoft Exchange Server Elevation of Privilege Vulnerability
Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
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High 7.5
Microsoft Exchange Server Remote Code Execution Vulnerability
Improper control of generation of code ('code injection') in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.
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High 8.1
Microsoft Exchange Server Information Disclosure Vulnerability
Improper authorization in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.
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High 8.1
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.
KEV May 15, 2026 -
High 7.5
Microsoft Exchange Server Elevation of Privilege Vulnerability
Improper input validation in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
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High 7.5
Microsoft Exchange Server Spoofing Vulnerability
Improper input validation in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
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High 8.8
Microsoft Exchange Server Elevation of Privilege Vulnerability
Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
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High 8.4
Microsoft Exchange Server Elevation of Privilege Vulnerability
Incorrect implementation of authentication algorithm in Microsoft Exchange Server allows an unauthorized attacker to elevate privileges locally.
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High 7.5
Microsoft Exchange Server Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Microsoft Exchange Server allows an unauthorized attacker to disclose information over a network.
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High 8.0CVE-2025-53786 Public exploit
Microsoft Exchange Server Hybrid Deployment Elevation of Privilege Vulnerability
On April 18th 2025, Microsoft announced Exchange Server Security Changes for Hybrid Deployments and accompanying non-security Hot Fix. Microsoft made these changes in the general interest of improving the security of hybrid Exchange deployments. Following fur…
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High 7.5
Microsoft Exchange Server Spoofing Vulnerability
Microsoft Exchange Server Spoofing Vulnerability
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High 8.8
Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
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High 8.0CVE-2023-36035 EPSS 87%
Microsoft Exchange Server Spoofing Vulnerability
Microsoft Exchange Server Spoofing Vulnerability
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High 8.0CVE-2023-36039 EPSS 73%
Microsoft Exchange Server Spoofing Vulnerability
Microsoft Exchange Server Spoofing Vulnerability
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High 8.0CVE-2023-36050 EPSS 39%
Microsoft Exchange Server Spoofing Vulnerability
Microsoft Exchange Server Spoofing Vulnerability
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High 8.0
Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
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High 8.0
Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
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High 8.0CVE-2023-36744 EPSS 57%
Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
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High 8.0
Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
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High 8.0CVE-2023-36756 EPSS 49%
Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
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High 8.0CVE-2023-36757 EPSS 37%
Microsoft Exchange Server Spoofing Vulnerability
Microsoft Exchange Server Spoofing Vulnerability
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High 8.0
Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
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High 8.8CVE-2023-38181 EPSS 11%
Microsoft Exchange Server Spoofing Vulnerability
Microsoft Exchange Server Spoofing Vulnerability