CVE-2026-77234
⚠️ highSummary
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.
CVSS Score
8.8
High
EPSS Score
0.1
Exploit Probability
Published Date
2026-08-21
First Seen: 2026-08-22
📊 Relative Risk Intelligence
This CVE is High Risk - more severe than 80.8% of all 348,756 vulnerabilities in our database.
#66,921
Top 25% most severe
Severity Percentile
Last Modified
2026-08-21
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS Vector 4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE IDs (Weakness Types)
