CRITICAL
A remote code execution vulnerability exists in the way that Windows Deployment Services TFTP Server handles objects in memory, aka "Windows Deployment Services TFTP Server Remote Code Execution Vulnerability." This affects Windows Server 2012 R2, Windows Server 2008, Windows Server 2012, Windows Server 2019, Windows Server 2016, Windows Server 2008 R2, Windows 10 Servers
Published Nov 14, 2018
9.8
CRITICALCVSS 3.0
EPSS 64.83%
Description
A remote code execution vulnerability exists in the way that Windows Deployment Services TFTP Server handles objects in memory, aka "Windows Deployment Services TFTP Server Remote Code Execution Vulnerability." This affects Windows Server 2012 R2, Windows Server 2008, Windows Server 2012, Windows Server 2019, Windows Server 2016, Windows Server 2008 R2, Windows 10 Servers.
Affected products
-
- Version version 1803 (Server Core Installation)StatusaffectedConstraints-
- Version
-
- Version 32-bit Systems Service Pack 2StatusaffectedConstraints-
- Version 32-bit Systems Service Pack 2 (Server Core installation)StatusaffectedConstraints-
- Version Itanium-Based Systems Service Pack 2StatusaffectedConstraints-
- Version x64-based Systems Service Pack 2StatusaffectedConstraints-
- Version x64-based Systems Service Pack 2 (Server Core installation)StatusaffectedConstraints-
- Version
-
- Version Itanium-Based Systems Service Pack 1StatusaffectedConstraints-
- 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 Servers | 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
- r2
- n/a
- r2
- n/a
- 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.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
10.0 HIGH NVD
AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
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.
64.83% 0.64828
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.64828
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 (49 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 64.83% (0.64828) | 99.23th | v5 (v2026.06.15) |
| Sep 22, 2026 | 64.83% (0.64828) | 99.21th | v5 (v2026.06.15) |
| Sep 21, 2026 | 61.94% (0.61940) | 99.16th | v5 (v2026.06.15) |
| Sep 6, 2026 | 64.83% (0.64828) | 99.19th | v5 (v2026.06.15) |
| Sep 5, 2026 | 61.94% (0.61940) | 99.15th | v5 (v2026.06.15) |
| Aug 30, 2026 | 64.83% (0.64828) | 99.19th | v5 (v2026.06.15) |
| Aug 28, 2026 | 60.32% (0.60320) | 99.10th | v5 (v2026.06.15) |
| Aug 24, 2026 | 63.29% (0.63294) | 99.14th | v5 (v2026.06.15) |
| Aug 23, 2026 | 60.32% (0.60320) | 99.10th | v5 (v2026.06.15) |
| Jun 15, 2026 | 63.29% (0.63294) | 99.10th | v5 (v2026.06.15) |
| May 31, 2026 | 48.38% (0.48383) | 97.79th | v4 (v2025.03.14) |
| May 15, 2026 | 49.50% (0.49504) | 97.83th | v4 (v2025.03.14) |
| Apr 25, 2026 | 61.48% (0.61482) | 98.34th | v4 (v2025.03.14) |
| Apr 4, 2026 | 63.82% (0.63824) | 98.42th | v4 (v2025.03.14) |
| Mar 8, 2026 | 61.00% (0.61002) | 98.27th | v4 (v2025.03.14) |
| Nov 21, 2025 | 51.79% (0.51789) | 97.77th | v4 (v2025.03.14) |
| Nov 18, 2025 | 36.67% (0.36672) | 96.93th | v4 (v2025.03.14) |
| Nov 8, 2025 | 51.79% (0.51789) | 97.76th | v4 (v2025.03.14) |
| Oct 23, 2025 | 38.73% (0.38730) | 97.07th | v4 (v2025.03.14) |
| Oct 15, 2025 | 47.46% (0.47457) | 97.54th | v4 (v2025.03.14) |
| Jul 23, 2025 | 48.70% (0.48701) | 97.64th | v4 (v2025.03.14) |
| May 26, 2025 | 55.11% (0.55110) | 97.89th | v4 (v2025.03.14) |
| Mar 30, 2025 | 73.04% (0.73042) | 98.70th | v4 (v2025.03.14) |
| Mar 29, 2025 | 80.66% (0.80660) | 98.89th | v4 (v2025.03.14) |
| Mar 17, 2025 | 73.04% (0.73042) | 98.70th | v4 (v2025.03.14) |
| Dec 17, 2024 | 79.77% (0.79775) | 98.53th | v3 (v2023.03.01) |
| Oct 24, 2024 | 19.95% (0.19952) | 96.45th | v3 (v2023.03.01) |
| Sep 23, 2024 | 22.34% (0.22343) | 96.59th | v3 (v2023.03.01) |
| Aug 29, 2024 | 27.02% (0.27018) | 96.85th | v3 (v2023.03.01) |
| Jul 3, 2024 | 36.50% (0.36497) | 97.20th | v3 (v2023.03.01) |
| May 16, 2024 | 37.45% (0.37451) | 97.18th | v3 (v2023.03.01) |
| Apr 27, 2024 | 46.02% (0.46017) | 97.38th | v3 (v2023.03.01) |
| Apr 6, 2024 | 41.77% (0.41765) | 97.23th | v3 (v2023.03.01) |
| Feb 23, 2024 | 44.37% (0.44368) | 97.26th | v3 (v2023.03.01) |
| Nov 7, 2023 | 42.98% (0.42977) | 96.93th | v3 (v2023.03.01) |
| Aug 14, 2023 | 49.14% (0.49138) | 97.04th | v3 (v2023.03.01) |
| Jul 31, 2023 | 54.68% (0.54683) | 97.15th | v3 (v2023.03.01) |
| Jul 8, 2023 | 59.09% (0.59095) | 97.25th | v3 (v2023.03.01) |
| Apr 26, 2023 | 48.89% (0.48895) | 96.93th | v3 (v2023.03.01) |
| Mar 7, 2023 | 56.52% (0.56517) | 97.08th | v3 (v2023.03.01) |
| Mar 6, 2023 | 42.81% (0.42807) | 98.30th | v2 (v2022.01.01) |
| Sep 26, 2022 | 42.81% (0.42807) | 98.20th | v2 (v2022.01.01) |
| Aug 20, 2022 | 40.13% (0.40133) | 98.02th | v2 (v2022.01.01) |
| May 10, 2022 | 37.74% (0.37741) | 97.78th | v2 (v2022.01.01) |
| Feb 4, 2022 | 33.43% (0.33428) | 96.61th | v2 (v2022.01.01) |
| Feb 3, 2022 | 21.04% (0.21041) | 94.24th | v1 |
| Jan 6, 2022 | 21.04% (0.21041) | 94.18th | v1 |
| Sep 1, 2021 | 21.04% (0.21041) | 97.94th | v1 |
| Apr 14, 2021 | 21.04% (0.21041) | 0.00th | v1 |
Weaknesses (1)
References (4)
- http://www.securityfocus.com/bid/105774 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1042109 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8476 x_refsource_CONFIRMPatchVendor Advisory
- https://research.checkpoint.com/2019/pxe-dust-finding-a-vulnerability-in-windows-servers-deployment-services/ x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105774 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1042109 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8476 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://research.checkpoint.com/2019/pxe-dust-finding-a-vulnerability-in-windows-servers-deployment-services/ | x_refsource_MISC |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Nov 14, 2018
Updated Aug 5, 2024
Reserved Mar 14, 2018
Link CVE-2018-8476
CISA Vulnrichment
Updated n/a