This report was translated by AI; nobody has reviewed the translation yet. Original language: Slovak.

[TLP:CLEAR] Citrix fixes 2 vulnerabilities in 2 products (WIndows)

Citrix fixes 2 vulnerabilities in version 26.6.1.20 of Citrix Secure Access Client (Windows) and in version 26.5.1.7 of Citrix Endpoint Analysis Client (Windows) [1].

Citrix Secure Access Client, Endpoint Analysis Client (Windows) - LPE (CVE-2026-53565)
CVSS 8.5 (High)

Allows an authenticated local attacker to escalate their privileges to SYSTEM [2].

The vulnerability is present in products:

  • Citrix Secure Access Client for Windows; <26.6.1.20;
  • Citrix Endpoint Analysis Client for Windows; <26.5.1.7;

CVSS: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

More information:

The vulnerability was publicly disclosed 14. 7. 2026.

Citrix Secure Access Client, Endpoint Analysis Client (Windows) - Out-of-bounds memory read (CVE-2026-53566)
CVSS 6.8 (Medium)

Allows an authenticated local attacker to gain unauthorized access to information by reading memory beyond the bounds of the allocated buffer. The vulnerability is exploitable only on systems where the DNE driver is not installed [1].

The vulnerability is present in products:

  • Citrix Secure Access Client for Windows; <26.6.1.20;
  • Citrix Endpoint Analysis Client for Windows; <26.5.1.7;

CVSS: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

More information:

The vulnerability was publicly disclosed 14. 7. 2026.


By CESNET, z.s.p.o. Martin Krajči on 15. 7. 2026.

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