CVE-2026-73298
Authenticated IDOR in Microsoft Container Migration Solution allows cross-user access to migration data.
Is CVE-2026-73298 being exploited?
Not confirmed. CVE-2026-73298 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 0.68% probability of exploitation in the next 30 days.
How severe is CVE-2026-73298?
CVE-2026-73298 is rated High. 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-2026-73298?
Yes. A fix has been recorded for CVE-2026-73298. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-73298 affect?
CVE-2026-73298 affects Microsoft Container Migration Solution Accelerator <= 2.1.2, Container migration process and file-management APIs, AKS migration workflows. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-73298?
Restrict access, audit API usage, enforce ownership checks, apply vendor patch when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated users can read, modify, and delete other users' migration processes and files via missing ownership checks.
Immediate action required
- affected<= 2.1.2
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.