Affects widely deployed Oracle E-Business Suite (Purchasing); enables full compromise of Purchasing data across organizations.
CVE-2026-87166
Authenticated network flaw in Oracle EBS Purchasing (12.2.3–12.2.15) allows data compromise.
Is CVE-2026-87166 being exploited?
Not confirmed. CVE-2026-87166 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-2026-87166?
CVE-2026-87166 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-2026-87166?
Not known from our data. No patch reference has been recorded for CVE-2026-87166, 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-2026-87166 affect?
CVE-2026-87166 affects Oracle E-Business Suite (EBS) - Oracle Purchasing 12.2.3 through 12.2.15. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-87166?
Apply vendor update ASAP; restrict network access to EBS Purchasing; audit logs and restore affected data.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Low-priv attacker via HTTP can create, delete, or modify Oracle Purchasing data and gain full access to the module's data.
Immediate action required
- affected>= 12.2.3 and <= 12.2.15
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.