Affects widely used Oracle EM Base Platform; unauthenticated remote takeover; high impact.
CVE-2026-46857
Unauthenticated remote takeover via HTTP on Oracle EM Base Platform.
Is CVE-2026-46857 being exploited?
Not confirmed. CVE-2026-46857 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 0.51% probability of exploitation in the next 30 days.
How severe is CVE-2026-46857?
CVE-2026-46857 is rated Critical with a CVSS score of 9.8. 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-2026-46857?
Yes. A fix has been recorded for CVE-2026-46857. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-46857 affect?
CVE-2026-46857 affects Oracle Enterprise Manager Base Platform (Oracle Management Service), v13.5, v24.1. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-46857?
Patch ASAP when available; restrict EM access
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Takeover of EM Base Platform with full admin control (C/I/A) via unauthenticated HTTP.
Immediate action required
- affected13.5
- affected24.1
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.