CVE-2026-77176
Host can abuse Kata Containers genpolicy mounts to expose data or inject content into confidential guests.
Is CVE-2026-77176 being exploited?
Not confirmed. CVE-2026-77176 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 0.41% probability of exploitation in the next 30 days.
How severe is CVE-2026-77176?
CVE-2026-77176 is rated High with a CVSS score of 8.1. 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-2026-77176?
Yes. A fix has been recorded for CVE-2026-77176. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-77176 affect?
CVE-2026-77176 affects Kata Containers, Confidential Containers using genpolicy, Container runtimes configured with genpolicy. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-77176?
Apply vendor patch when released; avoid genpolicy on untrusted hosts; validate and lock mount rules.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Malicious host operator can mount arbitrary paths or provision files into guest containers, exposing confidential data and allowing attacker-controlled input.
Patch when possible