Vendor
high
advisory
Multiple Xen Hypervisor Vulnerabilities Leading to Privilege Escalation, DoS, and Data Confidentiality Compromise
3 rules 3 TTPs 1 CVEMultiple vulnerabilities, including CVE-2025-10263, CVE-2026-42487, CVE-2026-42488, CVE-2026-42489, and CVE-2026-42490, have been discovered in Xen, allowing an attacker to achieve privilege escalation, trigger a remote denial of service, and compromise data confidentiality on vulnerable hypervisor instances.
Xen
virtualization
hypervisor
vulnerability
privilege-escalation
denial-of-service
data-exfiltration
3r
3t
1c
high
advisory
Multiple Vulnerabilities in Xen and Citrix Systems XenServer
3 rules 7 TTPsMultiple vulnerabilities exist in Xen and Citrix Systems XenServer that could allow an attacker to escalate privileges, bypass security measures, modify and disclose data, or cause a denial-of-service condition.
XenServer +1
vulnerability
privilege-escalation
denial-of-service
information-disclosure
3r
7t