CVE-2026-24834
RCE in Kata Containers guest VM via Cloud Hypervisor; container user can modify guest FS to root.
Is CVE-2026-24834 being exploited?
Not confirmed. CVE-2026-24834 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.22% probability of exploitation in the next 30 days.
How severe is CVE-2026-24834?
CVE-2026-24834 is rated Critical with a CVSS score of 9.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-24834?
Yes. A fix has been recorded for CVE-2026-24834. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-24834 affect?
CVE-2026-24834 affects Kata Containers (<3.27.0) with Cloud Hypervisor integration. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-24834?
Upgrade to 3.27.0+; verify VM isolation and access controls
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution inside the guest VM; attacker gains root in the affected VM.
Patch when possible
- affected< 3.27.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.