CVE-2026-63860

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 4.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-07-27.

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

2026-07-19 14:04Z1 MO AGO

Last updated

2026-08-05 12:36Z1 MO AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.4)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

fd444924b96541cec5aaec835a82d43e10c5e4c667c2ee3df54671fac37332d6

• git.kernel.orghttps://git.kernel.org/stable/c/fcd07d3b8ee7a39b344d73aed69c1a68cd9eacdf
• git.kernel.orghttps://git.kernel.org/stable/c/87111356d58d86edb221ba144d261ed83a5b8bbe
• git.kernel.orghttps://git.kernel.org/stable/c/abda65bdd13084c771842adaac1f652d0660dd82
• git.kernel.orghttps://git.kernel.org/stable/c/137b5918931d4d05aa8ea8d3adf67f7224eef63c
• git.kernel.orghttps://git.kernel.org/stable/c/5877c043398d5fa0e93919a3d837e5cd7a98a961
• git.kernel.orghttps://git.kernel.org/stable/c/f2c7b39dde2e61df8157066969cc2a408cd3dcd9
• git.kernel.orghttps://git.kernel.org/stable/c/c26a0052cceed4c4d380ee5808b699f937fb58d8
• git.kernel.orghttps://git.kernel.org/stable/c/6ed3d14fc45d3da6025e7fe4a6a09066856698e2