Vulnerability · Published Jul 14, 2026 · Assigned by Citrix

CVE-2026-53566Out-of-bounds memory read

Medium 6.8

In plain English

A medium-severity out-of-bounds read in Citrix Secure Access Client for Windows from Citrix. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).

Severity (CVSS 4.0)6.8Medium
Exploit odds (30 days)0.2%top 92.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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 (as reported)

VendorProductVersions
Citrix Citrix Secure Access Client for Windows 0 – before 26.6.1.20

Weakness: CWE-125 · 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

References