Critical remote privilege-escalation in widely used Oracle enterprise product enabling full takeover; broadly impactful to organizations using Oracle Hyperion.
CVE-2026-87189
Critical privilege-escalation in Oracle Hyperion Financial Management enabling full takeover.
Is CVE-2026-87189 being exploited?
Not confirmed. CVE-2026-87189 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.
How severe is CVE-2026-87189?
CVE-2026-87189 is rated Critical with a CVSS score of 9.1. 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-2026-87189?
Not known from our data. No patch reference has been recorded for CVE-2026-87189, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-87189 affect?
CVE-2026-87189 affects Oracle Hyperion Financial Management 11.2.26.0.000. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-87189?
Isolate servers, restrict Oracle Net access, audit/rotate privileged accounts, apply vendor patch ASAP.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
High-priv attacker via Oracle Net can escalate privileges, fully compromise Hyperion FDM and potentially other products (C/I/A: High).
Immediate action required
- affected11.2.26.0.000
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.