CVE-2026-53566 | BDVDB-2026-348233 Detail

CitrixCitrix Secure Access Client for Windows

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.

Impact#

Per CVSS v4.0: confidentiality impact high, integrity impact none, availability impact none. Attack vector: local.

Weaknesses#

CWE-125 Out-of-bounds Read

References#

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696734

Exploit#

No public exploit known

History#

Version 12026-07-14Record published in the CVE List.

Published

Published: 2026-07-14
Last modified: 2026-07-14

Vendor information

Vendor: Citrix
Product: Citrix Secure Access Client for Windows

All Citrix vulnerabilities

Score

6.8 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 7.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 26.6.1.20
Fixed
26.6.1.20

Scoring System

CVSS v4.0

6.8 Medium

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Attack Requirements	None
Privileges Required	Low
User Interaction	None
Vulnerable System Confidentiality	High
Vulnerable System Integrity	None
Vulnerable System Availability	None
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).