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CVE-2026-19574

🗓️ 09 Oct 2026 07:16:43Reported by zephyrType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

ARM64 MMU flaw lets concurrent domains share an ASID, breaking user-mode memory isolation.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-19574 ARM64 MMU can assign an in-use ASID to a new memory domain, breaking user-mode memory isolation
9 Oct 202607:16
–cvelist
euvd
EUVD
EUVD-2026-95528
9 Oct 202607:16
–euvd
nvd
NVD
CVE-2026-19574
9 Oct 202608:16
–nvd
ptsecurity
Positive Technologies
PT-2026-108758
9 Oct 202600:00
–ptsecurity
Vulners
Node
zephyrprojectzephyrRange≤4.4.2
[
  {
    "vendor": "zephyrproject",
    "product": "zephyr",
    "collectionURL": "https://github.com/zephyrproject-rtos/zephyr",
    "packageName": "zephyr",
    "defaultStatus": "unaffected",
    "programFiles": [
      "arch/arm64/core/mmu.c"
    ],
    "programRoutines": [
      {
        "name": "arch_mem_domain_init"
      },
      {
        "name": "k_mem_domain_init"
      }
    ],
    "versions": [
      {
        "version": "3.3.0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "4.4.2"
      }
    ]
  }
]

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09 Oct 2026 08:16Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17
EPSS0.00097
6