CVE-2026-86574

critical

Heap-based Buffer Overflow Vulnerability in JP1/Base.

Heap-based Buffer Overflow Vulnerability in JP1/Base. This issue affects JP1/Base: from 11-00 before 12-50-54.

CVSS

9.8

9.8 (CVSS v3.1)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity source: NVD CVSS v3.1 (hirt@hitachi.co.jp)

Timeline (UTC)

Published: 2026-10-27 10:16

Modified: 2026-10-27 15:00

NVD status: Deferred

Last synced 20 hours ago

Verified against the source API 2026-10-28 11:30 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

No vendor advisory or patch reference tagged by NVD. Check the references below.

NVD CVE API 2.0 — fetched 2026-10-28 11:30 UTC · record ↗