A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Windows Hyper-V Remote Code Execution Vulnerability'
Published Dec 10, 2019
8.2
HIGHCVSS 3.1
EPSS 8.03%
Description
A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Windows Hyper-V Remote Code Execution Vulnerability'.
Affected products
-
- Version 10 Version 1803 for x64-based SystemsStatusaffectedConstraints-
- Version 10 Version 1809 for x64-based SystemsStatusaffectedConstraints-
- Version
-
- Version unspecifiedStatusaffectedConstraints-
- Version
-
- Version unspecifiedStatusaffectedConstraints-
- Version
-
- Version 2019StatusaffectedConstraints-
- Version 2019 (Core installation)StatusaffectedConstraints-
- Version version 1803 (Core Installation)StatusaffectedConstraints-
- Version
-
- Version unspecifiedStatusaffectedConstraints-
- Version
-
- Version unspecifiedStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Windows | n/a |
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| Microsoft | Windows 10 Version 1903 for x64-based Systems | n/a |
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| Microsoft | Windows 10 Version 1909 for x64-based Systems | n/a |
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| Microsoft | Windows Server | n/a |
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| Microsoft | Windows Server, version 1903 (Server Core installation) | n/a |
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| Microsoft | Windows Server, version 1909 (Server Core installation) | n/a |
|
- 1803
- 1809
- 1903
- 1909
- 1803
- 1903
- 1909
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 8.03% (0.08034) | 94.62th | v5 (v2026.06.15) |
| Jun 15, 2026 | 8.10% (0.08097) | 94.07th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.64% (0.00644) | 68.91th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.17% (0.00165) | 54.50th | v3 (v2023.03.01) |
| Jan 19, 2024 | 0.17% (0.00165) | 53.18th | v3 (v2023.03.01) |
| May 15, 2023 | 0.13% (0.00133) | 47.02th | v3 (v2023.03.01) |
| Apr 14, 2023 | 0.14% (0.00141) | 48.29th | v3 (v2023.03.01) |
| Mar 28, 2023 | 0.15% (0.00155) | 50.17th | v3 (v2023.03.01) |
| Mar 13, 2023 | 0.14% (0.00143) | 48.42th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00138) | 47.57th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.18% (0.02183) | 80.89th | v2 (v2022.01.01) |
| Nov 18, 2022 | 2.18% (0.02183) | 80.29th | v2 (v2022.01.01) |
| Aug 3, 2022 | 2.04% (0.02036) | 78.35th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.88% (0.01877) | 75.31th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.32% (0.05315) | 76.03th | v2 (v2022.01.01) |
| Feb 3, 2022 | 32.21% (0.32208) | 97.60th | v1 |
| Jan 6, 2022 | 32.21% (0.32208) | 97.57th | v1 |
| Sep 1, 2021 | 9.57% (0.09575) | 94.86th | v1 |
| Apr 14, 2021 | 9.57% (0.09575) | 0.00th | v1 |
References (1)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1471 x_refsource_MISCPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1471 | x_refsource_MISCPatchVendor Advisory |
Change history (0)
No recorded changes yet.