01 Record

CVE-2026-77234

Improper input validation in FreeRTOS-Kernel timer command handling

CriticalPUBLISHEDCNA: AMZN

Base score9.3 CVSS v4.0CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

02 Description

Improper input validation in FreeRTOS-Kernel timer command handling

Published

2026-08-21 17:40Z7 HR AGO

Last updated

2026-08-21 19:41Z5 HR AGO

Reserved

2026-08-20

Assigning CNA

AMZN

Record state

PUBLISHED

Severity

Critical (CVSS 9.3)

CVSS vector

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

Weaknesses

SSVC decision

No CISA-ADP assessment

Data version

5.2

Document digest

86493fe6f040d482c9cb22bca366ea5e7d54cc70e229f1fd4b10b1a32e347dfa

VendorProductVersionsPlatforms

FreeRTOSFreeRTOS-Kernel7.0.0 to 11.3.0—