Browse / CVEs / CVE-2026-53266
CVE-2026-53266· linux / kernel· CWE-787
Linux Kernel Out-of-Bounds Write Vulnerability
Exploited in the wild. Listed by CISA on 2026-09-18; known to be used by ransomware.
0.9%likelihood of exploitation, next 30 days
61%of all CVEs are less likely
Nonecheck to confirm it
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.
No ready check is stored for this CVE. Confirm it by hand from the references.
References
Use this check only on systems you are authorised to test. Where the data comes from