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.
msrc.microsoft.com1 linkVendor advisory
- CVE-2026-72999 (opens in a new tab)Vendor Advisory · Patch

