HIGHCVSS 8.8Actively exploited · CISA KEV since 2026-09-18Vulnerability
CVE-2026-53266
Linux Kernel contains an out-of-bounds write vulnerability in the ebtables SNAT target which allows an ARP sender hardware address rewrite to write directly into a nonlinear socket-buffer fragment backed by a splice-imported file page. The impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version.
Properties
- Euvd product
- Linux
- Vulnerability name
- Linux Kernel Out-of-Bounds Write Vulnerability
- First seen
- 2026-09-19T03:56:22+00:00
- Cvss score
- 8.8
- Epss score
- 0.00827
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2026-09-21
- Euvd assigner
- Linux
- Retrieved at
- 2026-10-21T01:24:49+00:00
- Exploited euvd since
- 2026-09-18T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2026-09-18
- Euvd base score version
- 3.1
- Score
- 8.8
- Fetched at
- 2026-10-20T10:36:20+00:00
- Euvd vendor
- Linux
- Cvss vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- First seen by Signal
- 2026-09-18T17:45:32+00:00
- Euvd base score
- 8.8
Related Entities (10)
AFFECTS_PRODUCT (7)
DESCRIBES (1)
HAS_WEAKNESS (1)
INVOLVES (1)
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