CVE-2026-91403
Oracle Corporation Oracle Java SE
- Oracle Corporation Oracle Java SE
- Critical
- CVSS 9.1
- EPSS 0.39%
- No fixed version listed
What to do
No fixed version listed
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| Oracle Corporation Oracle Java SE | 8u511; 8u511-perf; 11.0.33; 17.0.21; 21.0.13; 25.0.5; 27.0.1 | None listed |
| Oracle Corporation Oracle GraalVM for JDK | 17.0.21; 21.0.13 | None listed |
| Oracle Corporation Oracle GraalVM Enterprise Edition | 21.3.20 | None listed |
Advisories and fixes
- Vendor advisory www.oracle.com
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.1 (v3.1, scored by oracle)
- EPSS
- 0.39% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 23, 2026)
- CISA's SSVC decision points
- Exploitation: none. Automatable: yes. Technical impact: total. As of Oct 23, 2026.
- Weakness
- CWE-284: Improper Access Control
- Vendor
- Oracle Corporation, Oracle Java SE
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.