CVE-2026-115653 Eclipse ThreadX - Memory Corruption

Eclipse ThreadX 6.0.1 through 6.5.2.202603 contains a memory corruption vulnerability caused by unchecked stack pointer usage in the PendSV handler of Cortex-M module ports, letting user-mode memory-protected modules read and write adjacent memory regions, exploit requires user-mode memory-protected module.

CVSS base score 7.0 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Memory Corruption
Impact
Information Disclosure, Data Tampering
CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/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
Published
2 November 2026
Updated
3 November 2026
Weakness
CWE-787

Vendor fix

Update to a version later than 6.5.2.202603 or latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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