CVE•Published 2026-08-21•Modified 2026-08-27•1 article on news•6 live references•NVD data
CVE-2026-77234Amazon · Freertos
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS percentile
2
Exploit Prediction Scoring System · top 98% of all CVEs
Weaknesses (CWE)
Description
Improper input validation in FreeRTOS-Kernel before 11.3.1 might allow an unprivileged task on MPU-enabled ports to execute code in privileged kernel context. To remediate this issue, users should upgrade to version 11.3.1 or later.
Timeline
Published 2026-08-21
Modified 2026-08-27
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).
Shodan · vuln tag0 hosts
vuln:CVE-2026-77234Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Freertos"Hosts Shodan identified as running Freertos.
More intel sources (5)
Shodan report
vuln:CVE-2026-77234Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-77234Censys host search filtered to this CVE id.
grep.app
CVE-2026-77234Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-77234GitHub code search for direct mentions.
Google dork
"CVE-2026-77234" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-77234 on GitHub.