CVE Watch2 nov 2026

CVE-2026-115653

In Eclipse ThreadX versions 6.0.1 through 6.5.2.202603, the PendSV handler of the Cortex-M module ports saves a preempted user-mode module t

CVSS

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Sin CVSS

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 2 nov 2026 · Última mod.: 2 nov 2026 · CWE-787 · CWE-822

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

In Eclipse ThreadX versions 6.0.1 through 6.5.2.202603, the PendSV handler of the Cortex-M module ports saves a preempted user-mode module thread's registers in privileged mode at addresses taken from the thread's stack pointer, without checking that pointer against the thread's stack. A user-mode, memory-protected module can thereby write up to nine words, eight of its choosing, or 25 with floating-point state, into memory immediately below any region it may write, and read back what is stored there.

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