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CVE-2026-77236: freertos from 10.2.0 (inclusive), before 11.3.1 (exclusive); +1 more affected products
CVE-2026-77236. CVSS 3.1 base score 7.3 (HIGH, Source advisory). EPSS 0.00162 (percentile 0.04832), scored 13-Oct-2026.
Affected technology
freertos · from 10.2.0 (inclusive), before 11.3.1 (exclusive)
amazon
FreeRTOS-Kernel · 10.2.0 through 11.3.0
FreeRTOS
Description’s affected range: before 11.3.1 might
Component: Not specified by the source
Attack conditions (Source advisory, CVSS 4.0): Local · Low privileges required · No user interaction required
What an attacker can do
Local users might corrupt secure-world heap metadata via an out-of-bounds write with an undersized stack size parameter. Source advisory’s CVSS 4.0 assessment (base score 8.3/10) rates confidentiality impact as none; integrity impact as low; availability impact as high.
- CWE
- CWE-787
- CCR priority
- 29.2 /100 (P4)
- CVSS 3.1
- 7.3 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H · Source advisory
- EPSS
- 0.00162 · percentile 0.04832 · 2026-10-13
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-15 01:07:31.726917+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-77236.html