Type Vulnerability
A vulnerability in Windows Hyper-V could allow an authorised attacker to execute code locally, according to a claim.
Memory corruption
Use after free in Windows Hyper-V allows an authorized attacker to execute code locally
CVE-2026-102214
What this means
This is rated high severity (8.8 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 10 more are in your estate, and treat that as the priority.
Full vendor description
Use after free in Windows Hyper-V allows an authorized attacker to execute code locally.
Scoring and exploitation
8.8/ 10
CVSS 3.1 base scoreHigh
Exploitable only with local access and a low-privilege account, and no one has to click or open anything. High impact on confidentiality, integrity and availability, and it can reach beyond the vulnerable system.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Exploitability
Longer bar: easier to attack
Attack vectorLocalAV:L
Attack complexityLowAC:L
Privileges requiredLowPR:L
User interactionNoneUI:N
ScopeChangedS:C
Impact
Longer bar: more harm
ConfidentialityHighC:H
IntegrityHighI:H
AvailabilityHighA:H
- Not reported
- Exploited in the wild
- Not confirmed in the
- Not reported
Weaknesses
CWE-416
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 11 26h2
- Microsoft Windows Server 2016
- Microsoft Windows Server 2019
- Microsoft Windows Server 2022
- Microsoft Windows Server 2025
Show the raw CPE strings (24)
- 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_11_26h2:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11_26h2:*:*:*:*:*:*: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-2026-102214 (opens in a new tab)Patch · Vendor Advisory