HIGH
A remote code execution vulnerability exists when Windows Shell improperly handles URIs, aka "Windows Shell Remote Code Execution Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers
Published Oct 10, 2018
7.5
HIGHCVSS 3.0
EPSS 50.73%
Description
A remote code execution vulnerability exists when Windows Shell improperly handles URIs, aka "Windows Shell Remote Code Execution Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.
Affected products
-
- Version Version 1607 for 32-bit SystemsStatusaffectedConstraints-
- Version Version 1607 for x64-based SystemsStatusaffectedConstraints-
- 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
-
- 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 Server 2016 | n/a |
|
OR
- 1607
- 1703
- 1709
- 1803
- n/a
- 1709
- 1803
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.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.6 HIGH NVD
AV:N/AC:H/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity High
Authentication None
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.
50.73% 0.50729
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.50729
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 (83 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 50.73% (0.50729) | 98.89th | v5 (v2026.06.15) |
| Sep 22, 2026 | 50.73% (0.50729) | 98.87th | v5 (v2026.06.15) |
| Sep 21, 2026 | 46.79% (0.46787) | 98.81th | v5 (v2026.06.15) |
| Sep 6, 2026 | 50.73% (0.50729) | 98.84th | v5 (v2026.06.15) |
| Sep 5, 2026 | 46.79% (0.46787) | 98.78th | v5 (v2026.06.15) |
| Aug 30, 2026 | 50.73% (0.50729) | 98.84th | v5 (v2026.06.15) |
| Aug 28, 2026 | 46.79% (0.46787) | 98.77th | v5 (v2026.06.15) |
| Aug 24, 2026 | 50.73% (0.50729) | 98.83th | v5 (v2026.06.15) |
| Aug 23, 2026 | 46.79% (0.46787) | 98.77th | v5 (v2026.06.15) |
| Jul 19, 2026 | 50.73% (0.50729) | 98.80th | v5 (v2026.06.15) |
| Jun 15, 2026 | 55.80% (0.55800) | 98.91th | v5 (v2026.06.15) |
| May 23, 2026 | 63.61% (0.63611) | 98.43th | v4 (v2025.03.14) |
| Apr 26, 2026 | 58.91% (0.58914) | 98.23th | v4 (v2025.03.14) |
| Mar 28, 2026 | 59.93% (0.59934) | 98.25th | v4 (v2025.03.14) |
| Mar 4, 2026 | 62.81% (0.62808) | 98.35th | v4 (v2025.03.14) |
| Mar 1, 2026 | 51.28% (0.51279) | 97.84th | v4 (v2025.03.14) |
| Feb 4, 2026 | 62.81% (0.62808) | 98.33th | v4 (v2025.03.14) |
| Feb 1, 2026 | 51.28% (0.51279) | 97.81th | v4 (v2025.03.14) |
| Jan 4, 2026 | 62.81% (0.62808) | 98.30th | v4 (v2025.03.14) |
| Jan 1, 2026 | 51.28% (0.51279) | 97.79th | v4 (v2025.03.14) |
| Dec 4, 2025 | 62.81% (0.62808) | 98.28th | v4 (v2025.03.14) |
| Dec 1, 2025 | 51.28% (0.51279) | 97.76th | v4 (v2025.03.14) |
| Nov 21, 2025 | 62.81% (0.62808) | 98.28th | v4 (v2025.03.14) |
| Nov 18, 2025 | 72.73% (0.72734) | 98.84th | v4 (v2025.03.14) |
| Nov 4, 2025 | 62.81% (0.62808) | 98.29th | v4 (v2025.03.14) |
| Nov 1, 2025 | 51.28% (0.51279) | 97.76th | v4 (v2025.03.14) |
| Oct 4, 2025 | 62.81% (0.62808) | 98.32th | v4 (v2025.03.14) |
| Oct 1, 2025 | 51.28% (0.51279) | 97.81th | v4 (v2025.03.14) |
| Sep 5, 2025 | 63.51% (0.63514) | 98.35th | v4 (v2025.03.14) |
| Sep 1, 2025 | 52.09% (0.52094) | 97.85th | v4 (v2025.03.14) |
| Aug 18, 2025 | 63.51% (0.63514) | 98.33th | v4 (v2025.03.14) |
| Aug 4, 2025 | 67.90% (0.67895) | 98.51th | v4 (v2025.03.14) |
| Aug 1, 2025 | 57.31% (0.57308) | 98.06th | v4 (v2025.03.14) |
| Jul 4, 2025 | 68.21% (0.68211) | 98.50th | v4 (v2025.03.14) |
| Jul 1, 2025 | 57.69% (0.57695) | 98.05th | v4 (v2025.03.14) |
| Jun 4, 2025 | 68.21% (0.68211) | 98.48th | v4 (v2025.03.14) |
| Jun 1, 2025 | 57.69% (0.57695) | 98.03th | v4 (v2025.03.14) |
| May 4, 2025 | 68.21% (0.68211) | 98.47th | v4 (v2025.03.14) |
| May 1, 2025 | 57.69% (0.57695) | 98.02th | v4 (v2025.03.14) |
| Apr 20, 2025 | 68.21% (0.68211) | 98.46th | v4 (v2025.03.14) |
| Apr 19, 2025 | 57.69% (0.57695) | 98.00th | v4 (v2025.03.14) |
| Apr 16, 2025 | 68.21% (0.68211) | 98.46th | v4 (v2025.03.14) |
| Apr 13, 2025 | 57.69% (0.57695) | 97.99th | v4 (v2025.03.14) |
| Apr 4, 2025 | 68.21% (0.68211) | 98.49th | v4 (v2025.03.14) |
| Apr 3, 2025 | 57.69% (0.57695) | 97.99th | v4 (v2025.03.14) |
| Mar 30, 2025 | 68.21% (0.68211) | 98.48th | v4 (v2025.03.14) |
| Mar 29, 2025 | 79.69% (0.79694) | 98.83th | v4 (v2025.03.14) |
| Mar 28, 2025 | 68.21% (0.68211) | 98.48th | v4 (v2025.03.14) |
| Mar 26, 2025 | 79.69% (0.79694) | 99.05th | v4 (v2025.03.14) |
| Mar 25, 2025 | 63.83% (0.63834) | 98.29th | v4 (v2025.03.14) |
| Mar 20, 2025 | 79.69% (0.79694) | 99.08th | v4 (v2025.03.14) |
| Mar 19, 2025 | 63.83% (0.63834) | 98.23th | v4 (v2025.03.14) |
| Mar 17, 2025 | 79.69% (0.79694) | 99.04th | v4 (v2025.03.14) |
| Jan 13, 2025 | 40.93% (0.40930) | 97.36th | v3 (v2023.03.01) |
| Dec 17, 2024 | 42.79% (0.42785) | 97.39th | v3 (v2023.03.01) |
| Sep 19, 2024 | 68.87% (0.68868) | 98.04th | v3 (v2023.03.01) |
| Aug 19, 2024 | 74.51% (0.74512) | 98.19th | v3 (v2023.03.01) |
| Jul 25, 2024 | 76.60% (0.76602) | 98.23th | v3 (v2023.03.01) |
| Jun 25, 2024 | 84.47% (0.84471) | 98.52th | v3 (v2023.03.01) |
| May 29, 2024 | 87.27% (0.87272) | 98.62th | v3 (v2023.03.01) |
| May 5, 2024 | 92.73% (0.92727) | 99.00th | v3 (v2023.03.01) |
| Apr 11, 2024 | 92.64% (0.92635) | 98.97th | v3 (v2023.03.01) |
| Mar 23, 2024 | 91.98% (0.91977) | 98.88th | v3 (v2023.03.01) |
| Mar 2, 2024 | 94.99% (0.94990) | 99.23th | v3 (v2023.03.01) |
| Jan 19, 2024 | 95.09% (0.95091) | 99.15th | v3 (v2023.03.01) |
| Dec 15, 2023 | 92.67% (0.92669) | 98.79th | v3 (v2023.03.01) |
| Oct 4, 2023 | 92.95% (0.92952) | 98.72th | v3 (v2023.03.01) |
| Sep 1, 2023 | 94.80% (0.94795) | 98.96th | v3 (v2023.03.01) |
| Jun 27, 2023 | 95.41% (0.95405) | 99.04th | v3 (v2023.03.01) |
| May 8, 2023 | 95.63% (0.95628) | 99.05th | v3 (v2023.03.01) |
| Mar 8, 2023 | 96.23% (0.96232) | 99.16th | v3 (v2023.03.01) |
| Mar 7, 2023 | 95.90% (0.95900) | 99.05th | v3 (v2023.03.01) |
| Mar 6, 2023 | 56.07% (0.56075) | 98.82th | v2 (v2022.01.01) |
| Jan 31, 2023 | 56.07% (0.56075) | 98.80th | v2 (v2022.01.01) |
| Nov 10, 2022 | 58.50% (0.58503) | 98.83th | v2 (v2022.01.01) |
| Sep 26, 2022 | 60.02% (0.60020) | 98.85th | v2 (v2022.01.01) |
| Aug 23, 2022 | 58.53% (0.58533) | 98.80th | v2 (v2022.01.01) |
| Jul 17, 2022 | 57.94% (0.57938) | 98.78th | v2 (v2022.01.01) |
| Apr 6, 2022 | 59.82% (0.59825) | 98.78th | 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 (3)
- http://www.securityfocus.com/bid/105461 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://leucosite.com/Microsoft-Edge-RCE/ x_refsource_MISCExploitThird Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8495 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105461 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://leucosite.com/Microsoft-Edge-RCE/ | x_refsource_MISCExploitThird Party Advisory | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8495 | 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-2018-8495
CISA Vulnrichment
Updated n/a