HIGH KEV Used in ransomware campaigns ⚠
An elevation of privilege vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in access to system files.To exploit this vulnerability, an authenticated attacker would need to run a specially crafted application to elevate privileges.The security update addresses the vulnerability by correcting how AppX Deployment Extensions manages privileges., aka 'Windows AppX Deployment Extensions Elevation of Privilege Vulnerability'
Published Nov 12, 2019 ·Due Jun 13, 2022
7.8
HIGHCVSS 3.1
EPSS 3.60%
Description
An elevation of privilege vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in access to system files.To exploit this vulnerability, an authenticated attacker would need to run a specially crafted application to elevate privileges.The security update addresses the vulnerability by correcting how AppX Deployment Extensions manages privileges., aka 'Windows AppX Deployment Extensions Elevation of Privilege Vulnerability'.
Affected products
-
- 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
-
- Version unspecifiedStatusaffectedConstraints-
- Version
-
- Version unspecifiedStatusaffectedConstraints-
- Version
-
- Version unspecifiedStatusaffectedConstraints-
- Version
-
- 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 |
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| Microsoft | Windows 10 Version 1903 for 32-bit Systems | n/a |
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| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | n/a |
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| Microsoft | Windows 10 Version 1903 for x64-based Systems | n/a |
| ||||||||||||||||||||||||||||||
| Microsoft | Windows Server | n/a |
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| Microsoft | Windows Server, version 1903 (Server Core installation) | n/a |
|
OR
- 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.
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.
6.1 MEDIUM NVD
AV:L/AC:L/Au:N/C:P/I:P/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Complete
Listed in CISA KEV KEV Used in ransomware campaigns ⚠
Date Added
May 23, 2022
Patch Due
Jun 13, 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
3.60% 0.03604
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.03604
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 (27 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.60% (0.03604) | 89.11th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.48% (0.03478) | 87.53th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.38% (0.00375) | 56.21th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.85% (0.01846) | 71.90th | v4 (v2025.03.14) |
| Mar 28, 2025 | 0.38% (0.00375) | 56.27th | v4 (v2025.03.14) |
| Mar 27, 2025 | 1.85% (0.01846) | 80.87th | v4 (v2025.03.14) |
| Mar 20, 2025 | 0.39% (0.00391) | 57.49th | v4 (v2025.03.14) |
| Mar 19, 2025 | 1.92% (0.01920) | 81.41th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.49% (0.00488) | 63.41th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.28% (0.00281) | 69.31th | v3 (v2023.03.01) |
| Mar 25, 2024 | 0.28% (0.00281) | 67.80th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.40% (0.00398) | 72.84th | v3 (v2023.03.01) |
| Dec 22, 2023 | 0.40% (0.00398) | 70.73th | v3 (v2023.03.01) |
| Nov 5, 2023 | 0.49% (0.00487) | 73.39th | v3 (v2023.03.01) |
| Sep 16, 2023 | 0.65% (0.00646) | 76.83th | v3 (v2023.03.01) |
| May 22, 2023 | 0.46% (0.00458) | 71.66th | v3 (v2023.03.01) |
| Apr 1, 2023 | 0.07% (0.00069) | 28.04th | v3 (v2023.03.01) |
| Mar 17, 2023 | 0.08% (0.00082) | 33.43th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00075) | 30.27th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.68% (0.01681) | 76.03th | v2 (v2022.01.01) |
| Oct 21, 2022 | 1.68% (0.01681) | 75.34th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01405) | 69.97th | 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 | 24.37% (0.24372) | 98.13th | v1 |
| Apr 14, 2021 | 24.37% (0.24372) | 0.00th | v1 |
Weaknesses (1)
References (3)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1385 x_refsource_MISCPatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1385 government-resourceUS Government Resource
- https://www.zerodayinitiative.com/advisories/ZDI-19-979/ x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1385 | x_refsource_MISCPatchVendor Advisory | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1385 | government-resourceUS Government Resource | |
| https://www.zerodayinitiative.com/advisories/ZDI-19-979/ | 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 12, 2026
Reserved Nov 26, 2018
Link CVE-2019-1385
CISA Vulnrichment
Updated Feb 7, 2025