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01 Record

CVE-2026-86576

Heap-based Buffer Overflow Vulnerability in JP1 Products

CriticalPUBLISHEDCNA: Hitachi
CNA base score9.4 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

02 Description

Heap-based Buffer Overflow Vulnerability in JP1 Products

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.45% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 39.2% of scored records. A rank, not a probability.
NVD base score
9.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
NVD analysis status
Deferred. NVD last modified this record on 2026-10-27.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-27 09:37Z2 DAYS AGO
Last updated
2026-10-27 09:37Z2 DAYS AGO
Reserved
2026-09-08
Assigning CNA
Hitachi
Record state
PUBLISHED
Severity
Critical (CVSS 9.4)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Weaknesses
  • CWE-122Heap-based Buffer OverflowVariant
Data version
5.2
Document digest
4c94c8dadde3c1cdedc87360abe138dd2aee3c98e91357506f85e1b67878a71d

05 Affected products

VendorProductVersionsPlatforms
HitachiJP1/Integrated Management 3 - Manager13-00 to < 13-50-31—
HitachiJP1/Base11-00 to < 12-50-54—

06 References