CVE-2026-64581

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

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 1.9% 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:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Received. NVD last modified this record on 2026-08-27.

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.

Published

2026-08-05 08:09Z1 MO AGO

Last updated

2026-08-27 12:39Z8 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:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

No CWE assigned

Data version

5.2

Document digest

4dd87ae9a095c8c6123749b49fa2a240c8d15e66cb86b360c9ebe3316408a9a0

• git.kernel.orghttps://git.kernel.org/stable/c/e8686fd8d18b99f3a9038683045b2f2338a7706d
• git.kernel.orghttps://git.kernel.org/stable/c/a9340ebdc13f8bb5063c0bc0b037ee7e640d4ae9
• git.kernel.orghttps://git.kernel.org/stable/c/f833821e4b52ab6335d443ede5fb79c38e61d19a
• git.kernel.orghttps://git.kernel.org/stable/c/f0ab9a71167bae308e05ab13b65e2007504a603f
• git.kernel.orghttps://git.kernel.org/stable/c/8dd8929b71c4f06c614f8f54c2cc070453faae16
• git.kernel.orghttps://git.kernel.org/stable/c/0ea8f06454012d9e7f9c6e6253df710949bf6294
• git.kernel.orghttps://git.kernel.org/stable/c/96b678d08268b5f5c6fc99d4289d9b7e334fc683
• git.kernel.orghttps://git.kernel.org/stable/c/c283e9ada7fcb7dd4b10592623086b2e6d2f9925