HIGH
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." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers
Published Oct 10, 2018
8.4
HIGHCVSS 3.0
EPSS 4.40%
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." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8490.
Affected products
-
- Version Version 1607 for x64-based SystemsStatusaffectedConstraints-
- Version Version 1703 for x64-based SystemsStatusaffectedConstraints-
- Version Version 1709 for x64-based SystemsStatusaffectedConstraints-
- Version Version 1803 for x64-based SystemsStatusaffectedConstraints-
- Version Version 1809 for 32-bit SystemsStatusaffectedConstraints-
- Version Version 1809 for x64-based SystemsStatusaffectedConstraints-
- Version x64-based SystemsStatusaffectedConstraints-
- Version
-
- Version version 1709 (Server Core Installation)StatusaffectedConstraints-
- Version version 1803 (Server Core Installation)StatusaffectedConstraints-
- Version
-
- Version x64-based Systems Service Pack 1StatusaffectedConstraints-
- Version
-
- Version x64-based systemsStatusaffectedConstraints-
- Version
-
- Version Windows RT 8.1StatusaffectedConstraints-
- Version
-
- Version x64-based Systems Service Pack 2StatusaffectedConstraints-
- Version x64-based Systems Service Pack 2 (Server Core installation)StatusaffectedConstraints-
- Version
-
- Version x64-based Systems Service Pack 1StatusaffectedConstraints-
- Version x64-based Systems Service Pack 1 (Server Core installation)StatusaffectedConstraints-
- Version
-
- Version (Server Core installation)StatusaffectedConstraints-
- Version
-
- Version (Server Core installation)StatusaffectedConstraints-
- Version
-
- Version (Server Core installation)StatusaffectedConstraints-
- Version
-
- Version (Server Core installation)StatusaffectedConstraints-
- 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 10 | n/a |
| ||||||||||||||||||||||||
| Microsoft | Windows 10 Servers | n/a |
| ||||||||||||||||||||||||
| Microsoft | Windows 7 | n/a |
| ||||||||||||||||||||||||
| Microsoft | Windows 8.1 | n/a |
| ||||||||||||||||||||||||
| Microsoft | Windows RT 8.1 | n/a |
| ||||||||||||||||||||||||
| Microsoft | Windows Server 2008 | n/a |
| ||||||||||||||||||||||||
| Microsoft | Windows Server 2008 R2 | n/a |
| ||||||||||||||||||||||||
| Microsoft | Windows Server 2012 | n/a |
| ||||||||||||||||||||||||
| Microsoft | Windows Server 2012 R2 | n/a |
| ||||||||||||||||||||||||
| Microsoft | Windows Server 2016 | n/a |
| ||||||||||||||||||||||||
| Microsoft | Windows Server 2019 | n/a |
|
OR
- n/a
- 1607
- 1703
- 1709
- 1803
- 1809
- n/a
- n/a
- n/a
- n/a
- r2
- n/a
- r2
- n/a
- 1709
- 1803
- 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.
No CVSS v3.1 score for this CVE.
8.4 HIGH NVD
CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack Vector Adjacent
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Changed
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.7 HIGH NVD
AV:A/AC:L/Au:S/C:C/I:C/A:C
Access Vector Adjacent
Access Complexity Low
Authentication Single
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.40% 0.04397
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04397
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 (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.40% (0.04397) | 91.01th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.13% (0.04126) | 89.47th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.91% (0.00905) | 74.13th | v4 (v2025.03.14) |
| Feb 24, 2025 | 22.12% (0.22120) | 96.56th | v3 (v2023.03.01) |
| Dec 17, 2024 | 19.66% (0.19655) | 96.30th | v3 (v2023.03.01) |
| Dec 12, 2024 | 1.25% (0.01247) | 86.12th | v3 (v2023.03.01) |
| Jun 25, 2024 | 0.39% (0.00392) | 73.45th | v3 (v2023.03.01) |
| May 29, 2024 | 0.39% (0.00385) | 73.07th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.34% (0.00338) | 70.56th | v3 (v2023.03.01) |
| Oct 4, 2023 | 0.34% (0.00338) | 67.97th | v3 (v2023.03.01) |
| Jul 11, 2023 | 0.28% (0.00284) | 64.27th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.29% (0.00294) | 64.98th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.26% (0.00259) | 61.83th | v3 (v2023.03.01) |
| Mar 6, 2023 | 16.91% (0.16905) | 96.20th | v2 (v2022.01.01) |
| Nov 10, 2022 | 16.91% (0.16905) | 96.08th | v2 (v2022.01.01) |
| Sep 26, 2022 | 16.07% (0.16070) | 95.92th | v2 (v2022.01.01) |
| Aug 23, 2022 | 13.64% (0.13642) | 95.55th | v2 (v2022.01.01) |
| Apr 6, 2022 | 12.45% (0.12452) | 94.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 11.66% (0.11657) | 94.68th | v2 (v2022.01.01) |
| Feb 4, 2022 | 11.66% (0.11657) | 88.85th | v2 (v2022.01.01) |
| Feb 3, 2022 | 17.55% (0.17549) | 91.03th | v1 |
| Jan 6, 2022 | 17.55% (0.17549) | 90.92th | v1 |
| Sep 1, 2021 | 17.55% (0.17549) | 97.67th | v1 |
| Apr 14, 2021 | 17.55% (0.17549) | 0.00th | v1 |
Weaknesses (1)
References (3)
- http://www.securityfocus.com/bid/105479 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041834 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8489 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105479 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041834 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8489 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Oct 10, 2018
Updated Aug 5, 2024
Reserved Mar 14, 2018
Link CVE-2018-8489
CISA Vulnrichment
Updated n/a