HIGH KEV
A remote code execution vulnerability exists when the Windows Shell does not properly validate file paths, aka "Windows Shell Remote Code Execution Vulnerability." This affects Windows 10 Servers, Windows 10
Published Aug 15, 2018 ·Due Apr 15, 2022
8.8
HIGHCVSS 3.1
EPSS 72.91%
Description
A remote code execution vulnerability exists when the Windows Shell does not properly validate file paths, aka "Windows Shell Remote Code Execution Vulnerability." This affects Windows 10 Servers, Windows 10.
Affected products
-
- Version Version 1703 for 32-bit SystemsStatusaffectedConstraints-
- Version Version 1703 for x64-based SystemsStatusaffectedConstraints-
- Version Version 1709 for 32-bit SystemsStatusaffectedConstraints-
- Version Version 1709 for x64-based SystemsStatusaffectedConstraints-
- Version Version 1803 for 32-bit SystemsStatusaffectedConstraints-
- Version Version 1803 for x64-based SystemsStatusaffectedConstraints-
- Version
-
- Version version 1709 (Server Core Installation)StatusaffectedConstraints-
- Version version 1803 (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 |
|
OR
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- 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.
8.8 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
9.3 HIGH NVD
AV:N/AC:M/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
Listed in CISA KEV KEV
Date Added
Mar 25, 2022
Patch Due
Apr 15, 2022
Required Action
Apply updates per vendor instructions.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Feb 7, 2025 · SSVC 2.0.3
72.91% 0.72912
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.72912
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 (42 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 72.91% (0.72912) | 99.44th | v5 (v2026.06.15) |
| Jun 15, 2026 | 73.97% (0.73968) | 99.41th | v5 (v2026.06.15) |
| May 23, 2026 | 89.20% (0.89200) | 99.55th | v4 (v2025.03.14) |
| Nov 21, 2025 | 87.93% (0.87930) | 99.44th | v4 (v2025.03.14) |
| Nov 18, 2025 | 89.36% (0.89359) | 99.63th | v4 (v2025.03.14) |
| Mar 17, 2025 | 87.71% (0.87708) | 99.44th | v4 (v2025.03.14) |
| Feb 8, 2025 | 93.45% (0.93451) | 99.32th | v3 (v2023.03.01) |
| Dec 17, 2024 | 94.68% (0.94680) | 99.44th | v3 (v2023.03.01) |
| Jul 25, 2024 | 76.71% (0.76707) | 98.23th | v3 (v2023.03.01) |
| Jun 24, 2024 | 82.65% (0.82646) | 98.44th | v3 (v2023.03.01) |
| May 30, 2024 | 84.27% (0.84271) | 98.50th | v3 (v2023.03.01) |
| Apr 30, 2024 | 87.11% (0.87114) | 98.58th | v3 (v2023.03.01) |
| Apr 3, 2024 | 89.80% (0.89795) | 98.72th | v3 (v2023.03.01) |
| Mar 10, 2024 | 94.06% (0.94058) | 99.10th | v3 (v2023.03.01) |
| Feb 15, 2024 | 94.50% (0.94498) | 99.15th | v3 (v2023.03.01) |
| Jan 27, 2024 | 94.45% (0.94455) | 99.06th | v3 (v2023.03.01) |
| Jan 6, 2024 | 96.04% (0.96040) | 99.36th | v3 (v2023.03.01) |
| Dec 15, 2023 | 95.95% (0.95946) | 99.32th | v3 (v2023.03.01) |
| Nov 24, 2023 | 96.64% (0.96638) | 99.53th | v3 (v2023.03.01) |
| Nov 7, 2023 | 96.23% (0.96226) | 99.36th | v3 (v2023.03.01) |
| Oct 20, 2023 | 96.46% (0.96463) | 99.42th | v3 (v2023.03.01) |
| Aug 27, 2023 | 96.74% (0.96742) | 99.51th | v3 (v2023.03.01) |
| Aug 9, 2023 | 96.64% (0.96643) | 99.46th | v3 (v2023.03.01) |
| Jul 25, 2023 | 96.62% (0.96623) | 99.44th | v3 (v2023.03.01) |
| Jun 21, 2023 | 96.31% (0.96313) | 99.29th | v3 (v2023.03.01) |
| Jun 5, 2023 | 96.11% (0.96106) | 99.22th | v3 (v2023.03.01) |
| May 16, 2023 | 96.22% (0.96218) | 99.23th | v3 (v2023.03.01) |
| May 2, 2023 | 96.69% (0.96692) | 99.41th | v3 (v2023.03.01) |
| Mar 31, 2023 | 96.56% (0.96564) | 99.32th | v3 (v2023.03.01) |
| Mar 11, 2023 | 96.44% (0.96439) | 99.24th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.80% (0.96805) | 99.41th | v3 (v2023.03.01) |
| Mar 6, 2023 | 56.07% (0.56075) | 98.82th | v2 (v2022.01.01) |
| Dec 6, 2022 | 56.07% (0.56075) | 98.77th | v2 (v2022.01.01) |
| Sep 15, 2022 | 58.50% (0.58503) | 98.80th | v2 (v2022.01.01) |
| Aug 1, 2022 | 60.02% (0.60020) | 98.85th | v2 (v2022.01.01) |
| Jun 28, 2022 | 58.53% (0.58533) | 98.79th | v2 (v2022.01.01) |
| May 22, 2022 | 57.94% (0.57938) | 98.74th | v2 (v2022.01.01) |
| Feb 9, 2022 | 59.82% (0.59825) | 98.60th | v2 (v2022.01.01) |
| Feb 4, 2022 | 58.42% (0.58424) | 98.56th | v2 (v2022.01.01) |
| Feb 3, 2022 | 48.85% (0.48848) | 98.99th | v1 |
| Sep 1, 2021 | 48.85% (0.48848) | 99.60th | v1 |
| Apr 14, 2021 | 48.85% (0.48848) | 0.00th | v1 |
Weaknesses (1)
References (4)
- http://www.securityfocus.com/bid/105016 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041458 vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8414 x_refsource_CONFIRMPatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8414 government-resourceUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105016 | vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041458 | vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8414 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8414 | government-resourceUS Government Resource |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Aug 15, 2018
Updated Oct 21, 2025
Reserved Mar 14, 2018
Link CVE-2018-8414
CISA Vulnrichment
Updated Feb 7, 2025