CVE-2026-52987

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 3.4% 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

Analyzed. NVD last modified this record on 2026-08-03.

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

2026-06-24 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 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-1341Multiple Releases of Same Resource or HandleBase

Data version

5.2

Document digest

06f7783dc4be3cba491eda99f2243561d7477dd8a57a875f104566849f2ec774

• git.kernel.orghttps://git.kernel.org/stable/c/c7c3ae7c01e5a0742b93cb9b40800bdd7f811e38
• git.kernel.orghttps://git.kernel.org/stable/c/508babf310365f1107a2e8831c267c292a286818
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-52987vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2492365https://bugzilla.redhat.com/show_bug.cgi?id=2492365issue-trackingx_refsource_REDHAT
• security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52987.jsonx_sadp-csaf-vex