CVE-2026-64276

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

0.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 6.3% 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

Analyzed. NVD last modified this record on 2026-08-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

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 08:49Z1 MO AGO

Last updated

2026-08-17 04:52Z18 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

2027e9d9ca736dc09fc6ae578351b5cc9990299a88a59b0d8fb669cfa040f1bd

• git.kernel.orghttps://git.kernel.org/stable/c/8c6d18d61bb6fe0e6edf848413391c590552e8a9
• git.kernel.orghttps://git.kernel.org/stable/c/d162a1ead7de404d8b41a093c83ed0db6487cded
• git.kernel.orghttps://git.kernel.org/stable/c/f0be9eba946e9200b43265e0a748d38bd0a56954
• git.kernel.orghttps://git.kernel.org/stable/c/26c895928d7118436a24f564587cb4aefc40cdd8
• git.kernel.orghttps://git.kernel.org/stable/c/4e3689c26854356f41fbaa1eafa382e58ac79e00
• git.kernel.orghttps://git.kernel.org/stable/c/e849c6f51e6877104c765da084e001ec37c8e119
• git.kernel.orghttps://git.kernel.org/stable/c/bfe622efecd4ff0a792d0ecd1a8dce535a902f50
• git.kernel.orghttps://git.kernel.org/stable/c/d577e46785d45484b2ab7e7309c49b18764bf56c