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Medium 5.0CVE-2026-45502 EPSS 20%
Microsoft Exchange Server Information Disclosure Vulnerability
Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.
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Medium 6.5
Microsoft Exchange Server Spoofing Vulnerability
Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.
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Medium 6.1
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 8.1
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 -
Medium 6.5
Microsoft Exchange Server Spoofing Vulnerability
User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
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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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Medium 5.3
Microsoft Exchange Server Spoofing Vulnerability
User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing 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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Medium 5.3
Microsoft Exchange Server Spoofing Vulnerability
Improper handling of additional special element in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
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Medium 5.3
Microsoft Exchange Server Spoofing Vulnerability
Improper validation of syntactic correctness of input in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
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Medium 6.5
Microsoft Exchange Server Tampering Vulnerability
Improper input validation in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.
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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…