CVE-2026-53566 - Vulnerability Details - OpenCVE

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.

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Citrix

Citrix Secure Access Client for Windows

unaffected

Version	Status	Constraints
`0`	affected	< 26.6.1.20

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

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

History

Tue, 14 Jul 2026 14:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 14 Jul 2026 13:45:00 +0000

Type	Values Removed	Values Added
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.
Title		Out-of-bounds memory read
Weaknesses		CWE-125
References		https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696734
Metrics		cvssV4_0 `{'score': 6.8, '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'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Citrix

Published: 2026-07-14T13:12:57.829Z

Updated: 2026-07-14T13:56:09.574Z

Reserved: 2026-06-09T18:32:47.375Z

Link: CVE-2026-53566

Vulnrichment

Updated: 2026-07-14T13:56:06.817Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-125

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