CVE-2026-64432

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-09-03.

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

2026-07-25 08:51Z1 MO AGO

Last updated

2026-08-17 04:55Z18 DAYS AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

ee81241d2a733fb3dc3d4843a359cb1d4f654f9078f6322972c70c39556d1bba

• git.kernel.orghttps://git.kernel.org/stable/c/964c3fae1dfc49dde5468eace940f199cda234e9
• git.kernel.orghttps://git.kernel.org/stable/c/3aa96956ca2200674e2a8f9c23ec6ecd45e5010f
• git.kernel.orghttps://git.kernel.org/stable/c/946046841013ebac8492ef49651c53638d7a9a6a
• git.kernel.orghttps://git.kernel.org/stable/c/c6f9e804f73ef809529865fbc7256dd189ff8c33
• git.kernel.orghttps://git.kernel.org/stable/c/cf28fc1658463d768657cf1c27a83980d4ba7ef2
• git.kernel.orghttps://git.kernel.org/stable/c/f433acc85b86f327d03ba8b03a33c105c51053de
• git.kernel.orghttps://git.kernel.org/stable/c/57382ec6ac63b63dce2789e835fded28b698ae79