CVE-2026-53566: CWE-125 Out-of-bounds read in Citrix Citrix Secure Access Client for Windows
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.
AI Analysis
Technical Summary
This vulnerability (CWE-125) in Citrix Secure Access Client for Windows involves an out-of-bounds read condition that can be triggered locally by an attacker with low privileges. The flaw exists in versions prior to 26.6.1.20. The CVSS 4.0 vector indicates local attack vector, low attack complexity, no user interaction, and high confidentiality impact without affecting integrity or availability. No vendor advisory or patch information is currently available, and no known exploits have been reported in the wild.
Potential Impact
An attacker with local access and low privileges can exploit this vulnerability to read memory beyond the intended boundaries, potentially disclosing sensitive information. The impact is limited to confidentiality as per the CVSS vector. There is no indication of integrity or availability impact. No known exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit local access to trusted users and monitor for updates from Citrix regarding patches or workarounds.
CVE-2026-53566: CWE-125 Out-of-bounds read in Citrix Citrix 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.
CVSS v4.0
Score 6.8medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-125) in Citrix Secure Access Client for Windows involves an out-of-bounds read condition that can be triggered locally by an attacker with low privileges. The flaw exists in versions prior to 26.6.1.20. The CVSS 4.0 vector indicates local attack vector, low attack complexity, no user interaction, and high confidentiality impact without affecting integrity or availability. No vendor advisory or patch information is currently available, and no known exploits have been reported in the wild.
Potential Impact
An attacker with local access and low privileges can exploit this vulnerability to read memory beyond the intended boundaries, potentially disclosing sensitive information. The impact is limited to confidentiality as per the CVSS vector. There is no indication of integrity or availability impact. No known exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit local access to trusted users and monitor for updates from Citrix regarding patches or workarounds.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Citrix
- Date Reserved
- 2026-06-09T18:32:47.375Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a563e1c68715ace4399eaab
Added to database: 07/14/2026, 13:48:12 UTC
Last enriched: 07/14/2026, 14:02:43 UTC
Last updated: 08/28/2026, 10:52:09 UTC
Views: 116
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