[NEW] [medium] Citrix Systems Secure Access Client for Windows: Multiple vulnerabilities

mediumCVE-2026-53565 CVE-2026-53566

A local attacker can exploit multiple vulnerabilities in Citrix Systems Secure Access Client for Windows to escalate privileges and disclose information.

CSIRTS triage

vendor: Citrix Systems product: Secure Access Client for Windows Privilege escalation Information disclosure

What: Multiple vulnerabilities can be exploited by a local attacker to escalate privileges and disclose information.
Who is affected: Deployments of Citrix Systems Secure Access Client for Windows are affected.
Urgency: Remediation is medium urgency as exploitation is possible but not currently observed.
Action: Update to the latest version of Citrix Systems Secure Access Client for Windows.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: medium
Published: 2026-07-15
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2339

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-535650.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.
Low exploitation riskCVE-2026-535660.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-53565	coverage & exploitation status	NVD · CVE.org
CVE-2026-53566	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.