Citrix Patches XenServer Vulnerabilities That Could Enable Host Compromise
Citrix patched four XenServer flaws, three of which could let a privileged guest compromise or crash the host.
62
Organization
Cloud Software Group
- Mentions · 7d0
- Mentions · 30d4
- All mentions8
- First seenSep 10, 2026
- Last mentioned15d ago
Timeline
8 articles · newest firstNew NetScaler Zero-Day Exploited in Targeted Attacks Can Knock SAML Deployments Offline
Citrix patched exploited NetScaler CVE-2026-88779, a SAML memory overflow that can deny service.
82
Citrix NetScaler SAML Vulnerability Enables Unauthenticated Remote DoS Attacks
Citrix patched CVE-2026-88779, a CVSS 8.7 unauthenticated NetScaler SAML memory overflow enabling persistent remote DoS, reportedly exploited in targeted attacks.
78
Citrix NetScaler SAML 0-Day Vulnerability Actively Exploited in Attacks
Citrix patched actively exploited NetScaler SAML zero-day CVE-2026-88779, which can deny service on ADC and Gateway appliances.
82
Here We Go Again (Citrix NetScaler DTLS Preauth Memory Overflow CVE-2026-88772)
watchTowr dissects CVE-2026-88772, an in-the-wild-exploited pre-auth DTLS memory overflow in Citrix NetScaler enabling RCE, one of eight fixed flaws.
88
CVE-2026-19490 | Citrix NetScaler ADC and NetScaler Gateway Authentication Bypass Vulnerability
Unauthenticated attackers can bypass Citrix NetScaler Gateway or AAA authentication via KEV-listed CVE-2026-19490.
82
NCSC Urges UK organizations to Patch for Citrix NetScaler ADC and Gateway 0-Day Vulnerabilities
The UK NCSC urged immediate patching after two critical Citrix NetScaler zero-days were exploited for unauthenticated remote code execution.
88
The 12 Best Unified Endpoint Management (UEM) Solutions, Compared and Priced
A buyer's guide compares 12 unified endpoint management platforms, recommending Microsoft Intune, Jamf and Omnissa for common scenarios.
10
Related CVEs
by mentions- CVE-2026-8877182%9.5Unauthenticated RCE in Citrix NetScaler ADC and Gateway
- CVE-2026-8877278%9.5Unauthenticated RCE/DoS in Citrix NetScaler ADC and Gateway
- CVE-2026-8877911%8.7Unauthenticated denial of service in NetScaler ADC and Gateway
- CVE-2026-887733%9.3HTTP request smuggling in Citrix NetScaler ADC and Gateway
- CVE-2026-88775<1%8.8Memory Overflow in Citrix NetScaler ADC and Gateway
- Memory overflow in Citrix NetScaler ADC and Gateway
- CVE-2026-88776<1%8.8Memory overflow in Citrix NetScaler ADC and Gateway
- Predictable-value flaw in Citrix NetScaler ADC and Gateway
- Feature Policy Bypass in Citrix NetScaler ADC and Gateway
- CVE-2026-84521%8.8Memory Buffer Overflow in Citrix NetScaler ADC/Gateway Exploited in the Wild
Appears with
- Citrixvendor · 6
- NetScaler Gatewayproduct · 4
- NetScaler ADCproduct · 4
- watchTowrorganization · 3
- CISAorganization · 3
- Citrixorganization · 3
- Bishop Foxorganization · 3
- NetScalerorganization · 2
- Jamfvendor · 1
- Workspace ONEproduct · 1
- Cylanceproduct · 1
- Omnissavendor · 1
- Secure Private Accessproduct · 1
- XenServerproduct · 1
- BlackBerryvendor · 1
- Ivantivendor · 1
Entities are extracted by the model from each article. First seen , last mentioned . Watching keeps it in this browser only (no account); the watchlist page and dashboard alerts use it.