Affects Oracle Database (widely deployed); enables remote takeover of Oracle Text and may affect other Oracle products — likely widely noticed and impactful.
CVE-2026-83272
Oracle Text remote privilege-escalation/takeover via network (CVSS 8.5).
Is CVE-2026-83272 being exploited?
Not confirmed. CVE-2026-83272 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-2026-83272?
CVE-2026-83272 is rated High with a CVSS score of 8.5. 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-2026-83272?
Not known from our data. No patch reference has been recorded for CVE-2026-83272, 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-2026-83272 affect?
CVE-2026-83272 affects Oracle Database - Oracle Text 19.3 through 19.32, Oracle Database - Oracle Text 21.3 through 21.23, Oracle Database - Oracle Text 23.4.0 through 23.26.3. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-83272?
Follow Oracle advisory; apply vendor patch/mitigations, restrict CREATE INDEX and limit Oracle Net exposure.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Low-privilege user with CREATE INDEX over Oracle Net can remotely takeover Oracle Text, causing full confidentiality, integrity and availability loss and potential scope to other products.
Immediate action required
- affected>= 19.3 and <= 19.32
- affected>= 21.3 and <= 21.23
- affected>= 23.4.0 and <= 23.26.3
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.