Affects Oracle E-Business Suite (widely used enterprise ERP). Exploitation can lead to broad data compromise and operational disruption across organizations.
CVE-2026-83477
Adjacent unauthenticated flaw in Oracle EBS Work in Process enabling data compromise
Is CVE-2026-83477 being exploited?
Not confirmed. CVE-2026-83477 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-2026-83477?
CVE-2026-83477 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-2026-83477?
Not known from our data. No patch reference has been recorded for CVE-2026-83477, 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-2026-83477 affect?
CVE-2026-83477 affects Oracle E-Business Suite (EBS) Work in Process 12.2.3–12.2.15. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-83477?
Isolate affected hosts from adjacent networks; restrict access; apply vendor patch when available
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Adjacent unauthenticated attacker can create, modify, delete, or access all Oracle Work in Process data, leading to full data compromise.
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.