CVE-2026-31536

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

0.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 36.7% 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

Analyzed. NVD last modified this record on 2026-06-17.

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

2026-04-24 14:30Z4 MO AGO

Last updated

2026-08-05 12:23Z1 MO AGO

Reserved

2026-03-09

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

• CWE-166Improper Handling of Missing Special ElementBase

Data version

5.2

Document digest

68b637da3bdca9fa511635c186fa8e95ab9d69a155d960acf862344f9655bf96

• git.kernel.orghttps://git.kernel.org/stable/c/24082642654f3e5149913946e89c00a297a8868f
• git.kernel.orghttps://git.kernel.org/stable/c/e38b415c024bc3b6321bf8650dbf3f4aab8e74b3
• git.kernel.orghttps://git.kernel.org/stable/c/9da82dc73cb03e85d716a2609364572367a5ff47