CVE•Published 2026-07-19•Modified 2026-07-30•1 article on news•5 live references•NVD data
CVE-2026-64138
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
34
Exploit Prediction Scoring System · top 66% of all CVEs
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate SID in parent security descriptor during ACL inheritance Introduce smb_validate_ntsd_sid() helper to safely validate Owner SID and Group SID inside the NT Security Descriptor (smb_ntsd) retrieved from the parent directory.
Timeline
Published 2026-07-19
Modified 2026-07-30
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-2026-64138Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-64138Censys host search filtered to this CVE id.
grep.app
CVE-2026-64138Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-64138GitHub code search for direct mentions.
Google dork
"CVE-2026-64138" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-64138 on GitHub.