CVE-2026-53566 PUBLISHED

Out-of-bounds memory read

Assigner: Citrix
Reserved: 09.06.2026 Published: 14.07.2026 Updated: 14.07.2026

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.

CVSS Vector: 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
CVSS Score: 6.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Vendor	Citrix
Product	Citrix Secure Access Client for Windows
Versions	Default: unaffected affected from 0 to 26.6.1.20 (excl.)