CVE-2026-63850

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 3.8% 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 2026-07-27.

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 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

• CWE-1287Improper Validation of Specified Type of InputBase

Data version

5.2

Document digest

f5ed982575e92188d25178ea18365cc0c2b58d1dbbc787ce7e668afb005ce905

• git.kernel.orghttps://git.kernel.org/stable/c/9f5a1459ecc3195282be617639d710b54779c9dc
• git.kernel.orghttps://git.kernel.org/stable/c/139a8a52ef4349c62129703b3a3e3a6ae4d634eb
• git.kernel.orghttps://git.kernel.org/stable/c/2c350f3cd94be847ac216e1358ec7001eaaf0934
• git.kernel.orghttps://git.kernel.org/stable/c/8cae0ce77de492d7c31c1532a2e80c0c6e7e58cb