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    "cveMetadata": {
        "cveId": "CVE-2026-115653",
        "assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c",
        "state": "PUBLISHED",
        "assignerShortName": "eclipse",
        "dateReserved": "2026-10-23T07:04:01.041Z",
        "datePublished": "2026-11-02T15:10:18.233Z",
        "dateUpdated": "2026-11-02T16:17:31.540Z"
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                "shortName": "eclipse",
                "dateUpdated": "2026-11-02T15:10:18.233Z"
            },
            "title": "Cortex-M module ports save a preempted user-mode module thread's registers through its unchecked stack pointer in privileged mode",
            "datePublic": "2026-11-02T15:09:00.000Z",
            "problemTypes": [
                {
                    "descriptions": [
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                            "lang": "en",
                            "cweId": "CWE-787",
                            "description": "CWE-787 Out-of-bounds write",
                            "type": "CWE"
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                    ]
                },
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                    "descriptions": [
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                            "lang": "en",
                            "cweId": "CWE-822",
                            "description": "CWE-822 Untrusted pointer dereference",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Eclipse Foundation",
                    "product": "Eclipse ThreadX",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "6.0.1",
                            "lessThanOrEqual": "6.5.2.202603",
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                    "value": "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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                            "value": "<p>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.</p>"
                        }
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            "references": [
                {
                    "url": "https://github.com/eclipse-threadx/threadx/security/advisories/GHSA-c38r-v552-gh5g"
                },
                {
                    "url": "https://gitlab.eclipse.org/security/cve-assignment/-/work_items/503"
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                        "attackVector": "LOCAL",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "LOW",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "HIGH",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "HIGH",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "HIGH",
                        "baseScore": 7,
                        "vectorString": "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"
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            "credits": [
                {
                    "lang": "en",
                    "value": "Frédéric Desbiens",
                    "type": "finder"
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            "source": {
                "discovery": "UNKNOWN"
            },
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        "adp": [
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                            "content": {
                                "timestamp": "2026-11-02T16:17:16.642608Z",
                                "id": "CVE-2026-115653",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
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                                        "Automatable": "no"
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                                        "Technical Impact": "partial"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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