Vulnerability Details CVE-2026-87696
Improper verification of cryptographic signature in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 37.0%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-87696
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cpe:2.3:a:microsoft:exchange_server:2016
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cpe:2.3:a:microsoft:exchange_server:2019
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cpe:2.3:a:microsoft:exchange_server_subscription_edition:-
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cpe:2.3:a:microsoft:exchange_server_subscription_edition:15.02.2562.017
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cpe:2.3:a:microsoft:exchange_server_subscription_edition:15.02.2562.020
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cpe:2.3:a:microsoft:exchange_server_subscription_edition:15.02.2562.027
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cpe:2.3:a:microsoft:exchange_server_subscription_edition:15.02.2562.029
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cpe:2.3:a:microsoft:exchange_server_subscription_edition:15.02.2562.035
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cpe:2.3:a:microsoft:exchange_server_subscription_edition:15.02.2562.037
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cpe:2.3:a:microsoft:exchange_server_subscription_edition:15.02.2562.041
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cpe:2.3:a:microsoft:exchange_server_subscription_edition:15.02.2562.043
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cpe:2.3:a:microsoft:exchange_server_subscription_edition:15.02.2562.045
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cpe:2.3:a:microsoft:exchange_server_subscription_edition:15.02.2562.046