CVE-2026-53266

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 2.3% of scored records. A rank, not a probability.

NVD base score

8.8 (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:C/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-08.

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

2026-06-25 08:39Z2 MO AGO

Last updated

2026-08-05 12:34Z1 MO AGO

Reserved

2026-06-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

533eec2cb11eca179f95aebc6c045a9af8c55306f45a15350d4dea7ddbd8aee5

• git.kernel.orghttps://git.kernel.org/stable/c/bf84ad7c7a9ede46e31afaa41a1ba06a159e8c87
• git.kernel.orghttps://git.kernel.org/stable/c/76280b78cc9f23bdc6438e10ad6dff148ef8375b
• git.kernel.orghttps://git.kernel.org/stable/c/b7e91939ba9be805a62a257fa4e227dffbb88fa0
• git.kernel.orghttps://git.kernel.org/stable/c/afd64b59c3de9bbbdd3759e834fdc55cda716e0b
• git.kernel.orghttps://git.kernel.org/stable/c/153ea96c806aea395daba907a4f88480b6ad5093
• git.kernel.orghttps://git.kernel.org/stable/c/b18675263db1147c8e1cab625400c13a0d87bd2d
• git.kernel.orghttps://git.kernel.org/stable/c/c9b5ff59feffb92a147a84a5aa28acd2cb8ff4c5
• git.kernel.orghttps://git.kernel.org/stable/c/67ba971ae02514d85818fe0c32549ab4bfa3bf49