CVE-2026-77237: Missing type validation in xQueueAddToSet in FreeRTOS-Kernel
FreeRTOS · FreeRTOS-Kernel
Fixed in 11.3.1 · Affected: FreeRTOS-Kernel before 11.3.1 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 7% of scored CVEs
DescriptionCVE.org
Missing queue-set type validation in xQueueAddToSet() in the FreeRTOS-Kernel before 11.3.1 might allow an unprivileged task on MPU-enabled ports with configUSE_QUEUE_SETS=1 to read privileged kernel memory. To remediate this issue, users should upgrade to version 11.3.1 or later.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- FreeRTOS · FreeRTOS-Kernelfrom 7.4.0 up to and including 11.3.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- FreeRTOS
- Published
- August 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-77237 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.