Multiple Vulnerabilities in Citrix Products (July 15, 2026)

unknownCVE-2026-53565 CVE-2026-42491 CVE-2026-53566

Multiple vulnerabilities have been discovered in Citrix products. Some of them allow an attacker to cause privilege escalation, data confidentiality breaches, and a security policy bypass.

CSIRTS triage

vendor: Citrix Privilege escalation Information disclosureOther

What: Multiple vulnerabilities allow an attacker to cause privilege escalation, data confidentiality breaches, and a security policy bypass.
Who is affected: Deployments of Citrix products are affected.
Urgency: Remediation is urgent due to the potential for privilege escalation and data breaches.
Action: Apply patches as they become available.

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

Details

Source: CERT-FR Avis de sécurité (FR · national-cert · site)
Severity: unknown
Published: 2026-07-15
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0885/

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-2026-42491	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.

unknownCitrix security advisory (AV26-702)cccs
medium[NEW] [medium] Xen: Vulnerability allows file manipulationcert-bund
medium[NEW] [medium] Citrix Systems Secure Access Client for Windows: Multiple vulnerabilitiescert-bund
unknownVulnerability in Xen XAPI (July 15, 2026)cert-fr-avis
unknownCVE-2026-53566: Out-of-bounds read vulnerability in Citrix Citrix Secure Access Client for Windows. This issue…nvd
unknownCVE-2026-53565: Improper Privilege Management vulnerability in Citrix Secure Access Client for Windows, Citrix…nvd

Recent advisories for Citrix Products

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

unknownCitrix Products Multiple Vulnerabilitieshkcert · 2026-07-03
unknownMultiple vulnerabilities in Citrix products (July 1, 2026)cert-fr-avis · 2026-07-01
criticalexploitedCVE-2017-6316: Citrix Multiple Products Remote Code Execution Vulnerabilitycisa-kev · 2022-03-25