CVE-2026-53566: Citrix Secure Access Client For Windows

Medium severity, CVSS 6.8. EPSS: 0.2% chance of exploitation in the next 30 days.

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 products

• Citrix Citrix Secure Access Client For Windows: before 26.6.1.20 (fixed in 26.6.1.20)

Published 2026-07-14. Last modified 2026-07-15.