CVE-2026-64588

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 2026-08-17.

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

2026-08-06 07:13Z29 DAYS AGO

Last updated

2026-08-17 04:58Z18 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

8326c5d23624bdcf3861c525e01e946803ed0498de0caf68f6e193c95e3e7dc1

• git.kernel.orghttps://git.kernel.org/stable/c/b156bb9966972122b148acab8bdf415cdb8176a3
• git.kernel.orghttps://git.kernel.org/stable/c/d01a09b442cb786cd44ccc7c84d57e2856d6737c
• git.kernel.orghttps://git.kernel.org/stable/c/46725a0056c884cf58a6897f222892807327d82d