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CVE record · CVE-2026-91464

Use after free in Oracle Corporation Oracle Java SE and others

CVSS 5.3 MediumEPSS 0.0029 · 21st percentile

Published by the CVE Program (CNA: oracle) at 20 Oct 2026, 21:26 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Oracle Corporation Oracle Java SE
  • affected 8u503
  • affected 8u503-perf
  • affected 11.0.32.1
  • affected 17.0.20.1
  • affected 21.0.12.1
  • affected 25.0.4.1
  • affected 27
Oracle Corporation Oracle GraalVM for JDK
  • affected 17.0.20.1
  • affected 21.0.12.1
Oracle Corporation Oracle GraalVM Enterprise Edition
  • affected 21.3.19.1.1
Identifiers
CVE-2026-91464
CNA
oracle
Weakness (CWE)
CWE-416
Tags
Published
20 Oct 2026
Updated
24 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.3 Medium 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N CNA (oracle)
  • CISA KEV Not listed.
  • EPSS 0.0029, the 21st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 20 Oct 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.