What is CVE-2026-47027?

CVE-2026-47027 is a medium-severity vulnerability in Oracle Corporation Java Se. CVSS score: 5.3/10. Published 2026-07-21.

How severe is CVE-2026-47027?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Oracle Corporation Java Se

CVE-2026-47027

Vulnerability in Oracle Java SE (component: Libraries). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM En…

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Oracle Corporation Java Se — versions 8u491, 8u491-perf, 11.0.31

References

secalert_us@oracle.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-47027?: CVE-2026-47027 is a medium-severity vulnerability in Oracle Corporation Java Se. CVSS score: 5.3/10. Published 2026-07-21.
How severe is CVE-2026-47027?: Medium severity. CVSS v3 base score is 5.3 out of 10.