CVE-2026-74478

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

0.57% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 44.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Received. NVD last modified this record on 2026-08-19.

Red Hat severity

Moderate. 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

2026-08-15 12:27Z20 DAYS AGO

Last updated

2026-08-19 16:37Z16 DAYS AGO

Reserved

2026-08-15

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.2

Document digest

9f743b664ddfec72c6c8cf83b4adbefde4e88bcd0829448f00bed0e391110063

• git.kernel.orghttps://git.kernel.org/stable/c/967c779c9853d2a1cc9cd8e61d300250c348f3d9
• git.kernel.orghttps://git.kernel.org/stable/c/a7bc015bb798c525e7a82dd14225c6aeb994274b
• git.kernel.orghttps://git.kernel.org/stable/c/7dc9781e320d664c9bdd50003c9acfddf363d1e1
• git.kernel.orghttps://git.kernel.org/stable/c/4b9601595e8b6b5d18878cac0aeabc687d241111
• git.kernel.orghttps://git.kernel.org/stable/c/67d58ab4f2ccf7145f3da07e025735a09c79de1b
• git.kernel.orghttps://git.kernel.org/stable/c/180ff4c81faf01ec4e06082c9daa7c40518ead89
• git.kernel.orghttps://git.kernel.org/stable/c/804b681002ead233abf49a3efd681f5468a835f9
• git.kernel.orghttps://git.kernel.org/stable/c/af421e9aed3920c7ac88c24daa48606c7112feca