CVE-2026-63806

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

0.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 5.2% of scored records. A rank, not a probability.

NVD base score

7.1 (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:C/C:N/I:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-08-17.

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

2026-07-19 12:02Z1 MO AGO

Last updated

2026-08-17 04:51Z18 DAYS AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.2

Document digest

ae80a0c5a4af1482b6ff4d70fc47802789ff4e3537bc6541bb072694fbd0b8ef

• git.kernel.orghttps://git.kernel.org/stable/c/2426c15c1395b7d5ccf1e5025ca898af7f3decb6
• git.kernel.orghttps://git.kernel.org/stable/c/4186c850789906b875a1d263377a4d37c078e317
• git.kernel.orghttps://git.kernel.org/stable/c/36ff44fb3d89960391e013fb9d91e23dbc48be47
• git.kernel.orghttps://git.kernel.org/stable/c/92fc631b69deb1c7d56aec2663003600799dcd75
• git.kernel.orghttps://git.kernel.org/stable/c/bf89e3738480d33cd515b4a18900e8443d40cd2e
• git.kernel.orghttps://git.kernel.org/stable/c/5da9b1a87ec7cc3489c27016313524769f12d9e0
• git.kernel.orghttps://git.kernel.org/stable/c/5c87b47374682f69686068ad0a7779365a527b1c
• git.kernel.orghttps://git.kernel.org/stable/c/f1edbed787ba67988ed34e0132ca128b052b6ce8