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    CVE-2026-76487

    A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to conduct access control bypass attacks on an affected device. This vulnerability is due to improper input validation for specific HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to access parts of the network that are beyond the scope of their intended access.

    Published:Oct 21, 2026
    Last Modified:Oct 22, 2026
    EPS:Oct 21, 2026
    EPSS Score:0.00501
    CVSS Score:5.3

    Affected Products

    Vendor
    Cisco
    Product
    Cisco Unified Communications Manager

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-500 WebView Injection

    Related CVEs

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    CVE-2026-76476 (CVSS 8.8) — As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco E…
    CVE-2026-76477 (CVSS 8.8) — As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco E…
    CVE-2026-76475 (CVSS 9.3) — As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco E…
    CVE-2026-76474 (CVSS 9.8) — As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco E…
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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