HIGH
The Microsoft Server Message Block (SMB) Server in Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2008 SP2 and R2 SP1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709 allows an elevation of privilege vulnerability due to the way SMB Server handles specially crafted files, aka "Windows Elevation of Privilege Vulnerability"
Published Jan 4, 2018
7.8
HIGHCVSS 3.0
EPSS 3.21%
Description
The Microsoft Server Message Block (SMB) Server in Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2008 SP2 and R2 SP1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709 allows an elevation of privilege vulnerability due to the way SMB Server handles specially crafted files, aka "Windows Elevation of Privilege Vulnerability".
Affected products
-
- Version Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2008 SP2 and R2 SP1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709StatusaffectedConstraints-
- 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 Corporation | SMB Server | n/a |
|
OR
- n/a
- 1511
- 1607
- 1703
- 1709
- n/a
- n/a
- n/a
- r2
- r2
- n/a
- r2
- n/a
- 1709
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.
7.8 HIGH NVD
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
4.6 MEDIUM NVD
AV:L/AC:L/Au:N/C:P/I:P/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.21% 0.03206
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03206
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 (33 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.21% (0.03206) | 87.72th | v5 (v2026.06.15) |
| Sep 22, 2026 | 3.21% (0.03206) | 87.61th | v5 (v2026.06.15) |
| Sep 21, 2026 | 4.43% (0.04432) | 90.96th | v5 (v2026.06.15) |
| Sep 6, 2026 | 3.21% (0.03206) | 87.33th | v5 (v2026.06.15) |
| Sep 5, 2026 | 4.43% (0.04432) | 90.76th | v5 (v2026.06.15) |
| Aug 30, 2026 | 3.21% (0.03206) | 87.26th | v5 (v2026.06.15) |
| Aug 28, 2026 | 4.43% (0.04432) | 90.71th | v5 (v2026.06.15) |
| Aug 24, 2026 | 3.21% (0.03206) | 87.18th | v5 (v2026.06.15) |
| Aug 23, 2026 | 4.43% (0.04432) | 90.67th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.21% (0.03206) | 86.46th | v5 (v2026.06.15) |
| Mar 18, 2026 | 9.45% (0.09447) | 92.72th | v4 (v2025.03.14) |
| Jan 3, 2026 | 13.87% (0.13865) | 94.12th | v4 (v2025.03.14) |
| Nov 21, 2025 | 12.85% (0.12853) | 93.75th | v4 (v2025.03.14) |
| Nov 18, 2025 | 1.48% (0.01484) | 79.37th | v4 (v2025.03.14) |
| Sep 16, 2025 | 12.85% (0.12853) | 93.79th | v4 (v2025.03.14) |
| May 25, 2025 | 18.78% (0.18776) | 94.94th | v4 (v2025.03.14) |
| Mar 30, 2025 | 13.44% (0.13436) | 93.58th | v4 (v2025.03.14) |
| Mar 29, 2025 | 37.69% (0.37693) | 95.74th | v4 (v2025.03.14) |
| Mar 17, 2025 | 13.44% (0.13436) | 93.65th | v4 (v2025.03.14) |
| Dec 17, 2024 | 95.81% (0.95810) | 99.59th | v3 (v2023.03.01) |
| Dec 12, 2024 | 0.34% (0.00340) | 72.28th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.39% (0.00392) | 72.63th | v3 (v2023.03.01) |
| Dec 15, 2023 | 0.39% (0.00392) | 70.42th | v3 (v2023.03.01) |
| Nov 14, 2023 | 0.44% (0.00443) | 72.01th | v3 (v2023.03.01) |
| Oct 20, 2023 | 0.39% (0.00392) | 70.34th | v3 (v2023.03.01) |
| May 28, 2023 | 0.28% (0.00276) | 63.44th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.24% (0.00237) | 59.95th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.34% (0.02342) | 81.42th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.34% (0.02342) | 79.66th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.34% (0.02342) | 58.30th | v2 (v2022.01.01) |
| Feb 3, 2022 | 39.31% (0.39311) | 98.18th | v1 |
| Sep 1, 2021 | 39.31% (0.39311) | 99.22th | v1 |
| Apr 14, 2021 | 39.31% (0.39311) | 0.00th | v1 |
Weaknesses (0)
No CWE recorded.
References (5)
- http://www.securityfocus.com/bid/102355 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040096 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://95cnsec.com/windows-smb-cve-2018-0749-exploit.html x_refsource_MISCBroken LinkURL Repurposed
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0749 x_refsource_CONFIRMPatchVendor Advisory
- https://www.exploit-db.com/exploits/43517/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/102355 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1040096 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://95cnsec.com/windows-smb-cve-2018-0749-exploit.html | x_refsource_MISCBroken LinkURL Repurposed | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0749 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://www.exploit-db.com/exploits/43517/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Jan 4, 2018
Updated Sep 16, 2024
Reserved Dec 1, 2017
Link CVE-2018-0749
CISA Vulnrichment
Updated n/a