CVE-2026-63816

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

0.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.7% 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

Awaiting Analysis. 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

2026-07-19 12:02Z1 MO AGO

Last updated

2026-08-17 04:51Z19 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

3fa05d6c6f2c33cc25e9c0f9d8d6ec858400d3ef0cdfa13b880f9ce10522e10d

• git.kernel.orghttps://git.kernel.org/stable/c/7d3ae21783e5914c1761ac7d63f882d3d70800e9
• git.kernel.orghttps://git.kernel.org/stable/c/56038756aae68312df00d4aa1d97e51ef3aca725
• git.kernel.orghttps://git.kernel.org/stable/c/a499f77c06050a28c897bdbd86cd2f0721ae0743
• git.kernel.orghttps://git.kernel.org/stable/c/a805fec35c201c59643ddcde713bce4051c8ee27
• git.kernel.orghttps://git.kernel.org/stable/c/e0288584baa5dc41df4a829a023c4c1b33fe53d7