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    CVE-2026-76447

    A vulnerability in the Online Certificate Status Protocol (OCSP) responder of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to cause an administrative reload of the OCSP responder certificate and key material. This vulnerability is due to missing authentication on a function of the OCSP responder. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to cause the OCSP responder to reload certificate and key material on demand.

    Published:Sep 16, 2026
    Last Modified:Sep 28, 2026
    EPS:Sep 16, 2026
    EPSS Score:0.00376
    CVSS Score:5.3

    Affected Products

    Vendor
    Cisco
    Product
    Identity Services Engine
    Vendor
    Cisco
    Product
    Identity Services Engine Passive Identity Connector
    Vendor
    Cisco
    Product
    Identity Services Engine Software

    Exploits

    No exploit reference

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    CVE-2026-76448 (CVSS 4.9) — A vulnerability in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) cou…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High