CVE-2026-42489
A local attacker can exploit multiple vulnerabilities in Xen to gain elevated privileges, manipulate data, disclose confidential information, or cause a Denial-of-Service condition.
CSIRTS triage
- What
- Multiple vulnerabilities allow a local attacker to gain elevated privileges, manipulate data, disclose confidential information, or cause a Denial-of-Service condition.
- Who is affected
- Deployments using Xen are affected.
- Urgency
- Remediation is medium urgency due to the potential for serious impacts.
- Action
- Update Xen to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2026-42489
Get an email if CVE-2026-42489 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Low exploitation risk0.08% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 0% of all EPSS-scored CVEs.
Advisory coverage (1)
- medium[UPDATE] [medium] Xen: Multiple vulnerabilitiescert-bund · 2026-07-31
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2026-42489)