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CVE-2026-72999

What this means

This is rated medium severity (6.8 out of 10). There is no confirmed exploitation of it yet. Ask IT whether Microsoft Windows 10 1607, Microsoft Windows 10 1809 and Microsoft Windows 10 21h2, and 9 more are in your estate.

Full vendor description

Out-of-bounds read in Windows USB Hub Driver allows an unauthorized attacker to elevate privileges with a physical attack.

Scoring and exploitation

6.8/ 10
CVSS 3.1 base scoreMedium

Exploitable only with physical access without any account, and no one has to click or open anything. High impact on confidentiality, integrity and availability.

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability

Longer bar: easier to attack

Attack vectorPhysicalAV:P
Attack complexityLowAC:L
Privileges requiredNonePR:N
User interactionNoneUI:N
ScopeUnchangedS:U

Impact

Longer bar: more harm

ConfidentialityHighC:H
IntegrityHighI:H
AvailabilityHighA:H
~0.4% estimated chance of attack in 30 daysModel estimate (): a probability signal, not confirmed exploitation
Exploited in the wild
Not confirmed in the
Not reported

Weaknesses

CWE-125

Affected products ()

  • Microsoft Windows 10 1607
  • Microsoft Windows 10 1809
  • Microsoft Windows 10 21h2
  • Microsoft Windows 10 22h2
  • Microsoft Windows 11 23h2
  • Microsoft Windows 11 24h2
  • Microsoft Windows 11 25h2
  • Microsoft Windows 11 26h1
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2022
  • Microsoft Windows Server 2025
Show the raw CPE strings (22)
  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*

References

1 link from the CVE record, grouped by site; the vendor's advisory comes first.