CVE-2026-77235
Missing privilege check in SecureContext_FreeContext in FreeRTOS-Kernel
Description
Missing privilege verification in the secure context cleanup handler in FreeRTOS-Kernel before 11.3.1 might allow local users to cause a use-after-free condition in secure-world memory via the SVC handler for secure context deallocation. To remediate this issue, users should upgrade to version 11.3.1 or later.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:CScopeChanged
Impact
C:NConfidentialityNone
I:LIntegrityLow
A:HAvailabilityHigh
Weaknesses
Affected Products
amazon
commercial·US
FreeRTOS
oss-projectaka freertos-plus-tcp, coremqtt, freertos-kernel
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
2 techniques Initial Access
Privilege Escalation
References
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