CVE•Published 2026-08-15•Modified 2026-08-17•1 article on news•3 live references•NVD data
CVE-2026-72243
Vulnerability data via NVD (ingested)
CVSS v3.1
8.4
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
EPSS percentile
12
Exploit Prediction Scoring System · top 88% of all CVEs
Description
In the Linux kernel, the following vulnerability has been resolved: selinux: check connect-related permissions on TCP Fast Open Similar to Landlock, SELinux was not updated when TCP Fast Open support was introduced to ensure connect-related permissions are checked when using TCP Fast Open. Update its socket_sendmsg() hook to call selinux_socket_connect() when MSG_FASTOPEN is passed.
Timeline
Published 2026-08-15
Modified 2026-08-17
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-72243Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-72243Censys host search filtered to this CVE id.
grep.app
CVE-2026-72243Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-72243GitHub code search for direct mentions.
Google dork
"CVE-2026-72243" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-72243 on GitHub.