CitrixCVE-2026-53566

Citrix Secure Access Client for Windows: out-of-bounds read

CVE-2026-53566 · Published Jul 14, 2026 · updated Jul 15, 2026

Medium6.8

Fix: upgrade to 26.6.1.20 or later

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.

Affected versions

Package	Affected	Fixed in
Citrix Secure Access Client for Windows Product	< 26.6.1.20	26.6.1.20

Details and references

CVSS 4.0: 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity from: the vendor (its own CVE record or advisory)
Weakness: CWE-125