HIGH
A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls, aka 'Microsoft splwow64 Elevation of Privilege Vulnerability'
Published Nov 12, 2019
7.8
HIGHCVSS 3.1
EPSS 0.81%
Description
A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls, aka 'Microsoft splwow64 Elevation of Privilege Vulnerability'.
Affected products
-
- Version 10 Version 1607 for 32-bit SystemsStatusaffectedConstraints-
- Version 10 Version 1607 for x64-based SystemsStatusaffectedConstraints-
- Version 10 Version 1709 for 32-bit SystemsStatusaffectedConstraints-
- Version 10 Version 1709 for ARM64-based SystemsStatusaffectedConstraints-
- Version 10 Version 1709 for x64-based SystemsStatusaffectedConstraints-
- Version 10 Version 1803 for 32-bit SystemsStatusaffectedConstraints-
- Version 10 Version 1803 for ARM64-based SystemsStatusaffectedConstraints-
- Version 10 Version 1803 for x64-based SystemsStatusaffectedConstraints-
- Version 10 Version 1809 for 32-bit SystemsStatusaffectedConstraints-
- Version 10 Version 1809 for ARM64-based SystemsStatusaffectedConstraints-
- Version 10 Version 1809 for x64-based SystemsStatusaffectedConstraints-
- Version 10 for 32-bit SystemsStatusaffectedConstraints-
- Version 10 for x64-based SystemsStatusaffectedConstraints-
- Version 8.1 for 32-bit systemsStatusaffectedConstraints-
- Version 8.1 for x64-based systemsStatusaffectedConstraints-
- Version RT 8.1StatusaffectedConstraints-
- Version
-
- Version unspecifiedStatusaffectedConstraints-
- Version
-
- Version unspecifiedStatusaffectedConstraints-
- Version
-
- Version unspecifiedStatusaffectedConstraints-
- Version
-
- Version 2012StatusaffectedConstraints-
- Version 2012 (Core installation)StatusaffectedConstraints-
- Version 2012 R2StatusaffectedConstraints-
- Version 2012 R2 (Core installation)StatusaffectedConstraints-
- Version 2016StatusaffectedConstraints-
- Version 2016 (Core installation)StatusaffectedConstraints-
- Version 2019StatusaffectedConstraints-
- Version 2019 (Core installation)StatusaffectedConstraints-
- Version version 1803 (Core Installation)StatusaffectedConstraints-
- Version
-
- Version unspecifiedStatusaffectedConstraints-
- 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 | n/a |
| |||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Windows 10 Version 1903 for 32-bit Systems | n/a |
| |||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | n/a |
| |||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Windows 10 Version 1903 for x64-based Systems | n/a |
| |||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Windows Server | n/a |
| |||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Windows Server, version 1903 (Server Core installation) | n/a |
|
OR
- n/a
- 1607
- 1709
- 1803
- 1809
- 1903
- n/a
- n/a
- n/a
- r2
- n/a
- 1803
- 1903
- 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.
7.8 HIGH NVD
CVSS:3.1/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
No CVSS v3.0 score for this CVE.
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.
0.81% 0.00809
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.00809
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 (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.81% (0.00809) | 55.35th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.73% (0.00726) | 49.11th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.24% (0.00243) | 45.65th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00050) | 20.95th | v3 (v2023.03.01) |
| May 31, 2024 | 0.05% (0.00050) | 18.68th | v3 (v2023.03.01) |
| Nov 5, 2023 | 0.05% (0.00050) | 16.65th | v3 (v2023.03.01) |
| Oct 19, 2023 | 0.08% (0.00085) | 35.50th | v3 (v2023.03.01) |
| Sep 16, 2023 | 0.07% (0.00066) | 27.32th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00046) | 14.01th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01410) | 72.96th | v2 (v2022.01.01) |
| Oct 21, 2022 | 1.41% (0.01410) | 72.38th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.18% (0.01178) | 60.44th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.18% (0.01178) | 58.44th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01405) | 49.08th | v2 (v2022.01.01) |
| Feb 3, 2022 | 24.37% (0.24372) | 95.46th | v1 |
| Jan 6, 2022 | 24.37% (0.24372) | 95.40th | v1 |
| Sep 1, 2021 | 6.70% (0.06701) | 91.08th | v1 |
| Apr 14, 2021 | 6.70% (0.06701) | 0.00th | v1 |
Weaknesses (1)
References (2)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1380 x_refsource_MISCPatchVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-19-987/ x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1380 | x_refsource_MISCPatchVendor Advisory | |
| https://www.zerodayinitiative.com/advisories/ZDI-19-987/ | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Nov 12, 2019
Updated Aug 4, 2024
Reserved Nov 26, 2018
Link CVE-2019-1380
CISA Vulnrichment
Updated n/a