CVE-2026-53026

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

0.43% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 35.4% of scored records. A rank, not a probability.

NVD base score

7.5 (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:N/I:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-15.

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

2026-06-24 16:29Z2 MO AGO

Last updated

2026-08-05 12:32Z1 MO AGO

Reserved

2026-06-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-911Improper Update of Reference CountBase

Data version

5.2

Document digest

557dc2e3a0c343cb76e70e17dc386cb7b9e4a7aa35c62f0cf63fa679316db061

• git.kernel.orghttps://git.kernel.org/stable/c/4584229395d0d65bd517780afe97ffea07cb2c3d
• git.kernel.orghttps://git.kernel.org/stable/c/b81572b073441dfd32213e41857676d0dbff4665
• git.kernel.orghttps://git.kernel.org/stable/c/b48f44f36e6607b2f818560f19deb86b4a9c717b