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    CVE-2026-53566

    Out-of-bounds read vulnerability in Citrix Citrix Secure Access Client for Windows. This issue affects Citrix Secure Access Client for Windows: before 26.6.1.20.

    Published:Jul 14, 2026
    Last Modified:Jul 27, 2026
    EPS:Jul 14, 2026
    EPSS Score:0.00132
    CVSS Score:6.8

    Affected Products

    Vendor
    Citrix
    Product
    Secure Access Client

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2025-0320 (CVSS 8.6) — Local Privilege escalation allows a low-privileged user to gain SYSTEM privileges in Citrix Secure Access Clie…
    CVE-2025-1223 (CVSS 5.9) — An attacker can gain application privileges in order to perform limited modification and/or read arbitrary dat…
    CVE-2025-1222 (CVSS 5.9) — An attacker can gain application privileges in order to perform limited modification and/or read arbitrary dat…
    CVE-2024-3661 (CVSS 7.6) — DHCP can add routes to a client’s routing table via the classless static route option (121). VPN-based securit…
    CVE-2023-24492 (CVSS 9.6) — A vulnerability has been discovered in the Citrix Secure Access client for Ubuntu which, if exploited, could …
    CVE-2023-24491 (CVSS 7.8) — A vulnerability has been discovered in the Citrix Secure Access client for Windows which, if exploited, co…

    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