Unauthenticated, network-accessible full takeover of widely used Oracle enterprise product; high-impact across organizations using Hyperion.
CVE-2026-62543
Unauthenticated remote takeover of Oracle Hyperion Infrastructure 11.2.25 via HTTP.
Is CVE-2026-62543 being exploited?
Not confirmed. CVE-2026-62543 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 0.35% probability of exploitation in the next 30 days.
How severe is CVE-2026-62543?
CVE-2026-62543 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-2026-62543?
Yes. A fix has been recorded for CVE-2026-62543. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-62543 affect?
CVE-2026-62543 affects Oracle Hyperion Infrastructure Technology 11.2.25.0.000, Oracle Hyperion (Installation and Configuration component). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-62543?
Isolate instances, block HTTP access, deploy WAF rules, apply vendor patch/mitigations ASAP.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote code execution/full system takeover of Oracle Hyperion Infrastructure; data theft, integrity loss, and service disruption.
Immediate action required
- affected11.2.25.0.000
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.