CVE-2026-70388

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

0.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 11.5% of scored records. A rank, not a probability.

NVD base score

8.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-10-26.

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.

Published

2026-10-26 08:34Z3 DAYS AGO

Last updated

2026-10-26 08:34Z3 DAYS AGO

Reserved

2026-08-04

Assigning CNA

ENISA

Record state

PUBLISHED

Severity

High (CVSS 8.3)

CNA CVSS vector

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

Weaknesses

• CWE-191Integer Underflow (Wrap or Wraparound)Base
• CWE-195Signed to Unsigned Conversion ErrorVariant
• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

7464e83d068749bbfc4b8eaeb0d659eb9edb1c1e8540673db1c2f8e5c205587a

• rt-labs.comhttps://rt-labs.com/wp-content/uploads/2026/10/RRTL-260921-01.pdfvendor-advisory