{
  "cveId": "CVE-2026-98720",
  "url": "https://patchblox.com/security/cve/CVE-2026-98720",
  "summary": "CVE-2026-98720 is fixed in 39 products on 1 platform, first by DEBIAN-CVE-2026-98720, released October 19, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "KVM: nVMX: Force MSR bitmap refresh if runtime eVMCS controls are modified",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  KVM: nVMX: Force MSR bitmap refresh if runtime eVMCS controls are modified  Force a refresh of the vmcs02 MSR bitmap during nested VM-Enter if the runtime eVMCS controls (pin, primary, secondary, etc.) are being updated. If L1 isn\u0027t intercepting TPR writes, runs L2 with TPR virtualization, and then runs the same L2 with TPR virtualization disabled, KVM will fail to refresh msr_bitmap02 and leave TPR in passthrough mode even though TPR virtualization is disabled.  I.e. failure to refresh the bitmap lets L2 (or L1 by proxy) read and write L0\u0027s TPR.",
  "published": "2026-10-18T16:17:25Z",
  "severity": "Important",
  "cvss": 7.7,
  "epss": 0.00168,
  "epssPercentile": 0.06067,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-98720",
  "fixes": [
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      "released": "2026-11-07T01:06:52Z"
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  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}