Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.
Metrics
Affected Vendors & Products
References
History
Thu, 12 Feb 2026 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Microsoft windows 11 22h3
Microsoft windows 11 26h1 Microsoft windows Server 2016 (server Core Installation) Microsoft windows Server 2019 (server Core Installation) Microsoft windows Server 2022, 23h2 Edition (server Core Installation) Microsoft windows Server 2025 (server Core Installation) |
|
| Vendors & Products |
Microsoft windows 11 22h3
Microsoft windows 11 26h1 Microsoft windows Server 2016 (server Core Installation) Microsoft windows Server 2019 (server Core Installation) Microsoft windows Server 2022, 23h2 Edition (server Core Installation) Microsoft windows Server 2025 (server Core Installation) |
Wed, 11 Feb 2026 21:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Microsoft windows 10 21h2
Microsoft windows 10 22h2 Microsoft windows 11 23h2 Microsoft windows 11 24h2 Microsoft windows 11 25h2 Microsoft windows Server 2022 23h2 |
|
| CPEs | cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* 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_server_2022_23h2:*:*:*:*:*:*:*:* |
|
| Vendors & Products |
Microsoft windows 10 21h2
Microsoft windows 10 22h2 Microsoft windows 11 23h2 Microsoft windows 11 24h2 Microsoft windows 11 25h2 Microsoft windows Server 2022 23h2 |
Tue, 10 Feb 2026 18:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally. | |
| Title | Windows Hyper-V Remote Code Execution Vulnerability | |
| First Time appeared |
Microsoft
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 Microsoft windows Server 23h2 |
|
| Weaknesses | CWE-122 CWE-125 CWE-20 |
|
| CPEs | cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x64:* 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_25H2:*:*:*:*:*:*:arm64:* 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:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_23h2:*:*:*:*:*:*:*:* |
|
| Vendors & Products |
Microsoft
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 Microsoft windows Server 23h2 |
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| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: microsoft
Published: 2026-02-10T17:51:20.245Z
Updated: 2026-02-12T16:25:43.170Z
Reserved: 2025-12-11T21:02:05.736Z
Link: CVE-2026-21247
No data.
Status : Analyzed
Published: 2026-02-10T18:16:26.180
Modified: 2026-02-11T20:45:56.220
Link: CVE-2026-21247
No data.