HIGH KEV Used in ransomware campaigns ⚠
Task Scheduler Elevation of Privilege Vulnerability
Published Jun 12, 2019 ·Due Apr 5, 2022
7.8
HIGHCVSS 3.1
EPSS 6.12%
Description
An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations. An attacker who successfully exploited the vulnerability could gain elevated privileges on a victim system. To exploit the vulnerability, an attacker would require unprivileged code execution on a victim system. The security update addresses the vulnerability by correctly validating file operations.
Affected products
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- Version 10.0.10240.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.14393.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version 10.0.17763.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.14393.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.14393.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.17763.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.17763.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- 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 Version 1507 | n/a |
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| Microsoft | Windows 10 Version 1607 | n/a |
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| Microsoft | Windows 10 Version 1703 | n/a |
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| Microsoft | Windows 10 Version 1709 | n/a |
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| Microsoft | Windows 10 Version 1709 for 32-bit Systems | n/a |
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| Microsoft | Windows 10 Version 1803 | n/a |
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| Microsoft | Windows 10 Version 1809 | 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 |
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| Microsoft | Windows Server 2016 | n/a |
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| Microsoft | Windows Server 2016 (Server Core installation) | n/a |
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| Microsoft | Windows Server 2019 | n/a |
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| Microsoft | Windows Server 2019 (Server Core installation) | n/a |
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| Microsoft | Windows Server, version 1803 (Server Core Installation) | n/a |
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| Microsoft | Windows Server, version 1903 (Server Core installation) | n/a |
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OR
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
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- Version 1607StatusaffectedConstraints-
- Version 1703StatusaffectedConstraints-
- Version 1709StatusaffectedConstraints-
- Version 1803StatusaffectedConstraints-
- Version
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- Version 1803StatusaffectedConstraints-
- Version 1903StatusaffectedConstraints-
- Version
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- Version 0StatusaffectedConstraints<*
- 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 |
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| Microsoft | Windows Server 2016 | n/a |
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| Microsoft | Windows Server 2019 | n/a |
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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
1 other source (CVE.org) ▾
7.8 HIGH CVE.org
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
Exploit Maturity Proof of Concept
No CVSS v3.0 score for this CVE.
7.2 HIGH NVD
AV:L/AC:L/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
Listed in CISA KEV KEV Used in ransomware campaigns ⚠
Date Added
Mar 15, 2022
Patch Due
Apr 5, 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 Sep 18, 2024 · SSVC 2.0.3
6.12% 0.06117
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.06117
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 (44 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.12% (0.06117) | 93.22th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.17% (0.06167) | 92.55th | v5 (v2026.06.15) |
| May 22, 2026 | 32.50% (0.32495) | 96.93th | v4 (v2025.03.14) |
| Nov 22, 2025 | 30.46% (0.30456) | 96.50th | v4 (v2025.03.14) |
| Nov 21, 2025 | 28.68% (0.28675) | 96.33th | v4 (v2025.03.14) |
| Nov 18, 2025 | 24.18% (0.24178) | 95.71th | v4 (v2025.03.14) |
| Nov 16, 2025 | 28.68% (0.28675) | 96.32th | v4 (v2025.03.14) |
| Oct 30, 2025 | 27.21% (0.27207) | 96.16th | v4 (v2025.03.14) |
| Oct 28, 2025 | 35.32% (0.35315) | 96.84th | v4 (v2025.03.14) |
| Oct 22, 2025 | 32.97% (0.32969) | 96.66th | v4 (v2025.03.14) |
| Sep 21, 2025 | 29.84% (0.29837) | 96.50th | v4 (v2025.03.14) |
| Sep 3, 2025 | 32.74% (0.32741) | 96.76th | v4 (v2025.03.14) |
| Jun 15, 2025 | 31.69% (0.31692) | 96.55th | v4 (v2025.03.14) |
| May 22, 2025 | 33.12% (0.33117) | 96.65th | v4 (v2025.03.14) |
| May 21, 2025 | 31.53% (0.31531) | 96.52th | v4 (v2025.03.14) |
| Mar 30, 2025 | 10.37% (0.10373) | 92.47th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.76% (0.04764) | 82.02th | v4 (v2025.03.14) |
| Mar 28, 2025 | 10.37% (0.10373) | 92.48th | v4 (v2025.03.14) |
| Mar 27, 2025 | 4.76% (0.04764) | 87.98th | v4 (v2025.03.14) |
| Mar 20, 2025 | 10.24% (0.10236) | 92.51th | v4 (v2025.03.14) |
| Mar 19, 2025 | 5.47% (0.05470) | 88.97th | v4 (v2025.03.14) |
| Mar 17, 2025 | 14.20% (0.14200) | 93.86th | v4 (v2025.03.14) |
| Dec 17, 2024 | 4.49% (0.04485) | 92.36th | v3 (v2023.03.01) |
| Dec 12, 2024 | 0.46% (0.00462) | 76.21th | v3 (v2023.03.01) |
| Jun 23, 2024 | 0.42% (0.00417) | 74.22th | v3 (v2023.03.01) |
| Jun 5, 2024 | 0.36% (0.00359) | 71.41th | v3 (v2023.03.01) |
| Apr 17, 2024 | 0.29% (0.00294) | 68.92th | v3 (v2023.03.01) |
| Mar 12, 2024 | 0.28% (0.00283) | 67.93th | v3 (v2023.03.01) |
| Feb 15, 2024 | 0.40% (0.00399) | 72.91th | v3 (v2023.03.01) |
| Feb 7, 2024 | 0.40% (0.00399) | 70.91th | v3 (v2023.03.01) |
| Jan 6, 2024 | 0.39% (0.00387) | 70.38th | v3 (v2023.03.01) |
| Sep 7, 2023 | 0.45% (0.00448) | 71.92th | v3 (v2023.03.01) |
| Jul 22, 2023 | 0.41% (0.00412) | 70.52th | v3 (v2023.03.01) |
| Jun 19, 2023 | 0.35% (0.00351) | 67.84th | v3 (v2023.03.01) |
| Jun 5, 2023 | 0.29% (0.00288) | 64.33th | v3 (v2023.03.01) |
| Apr 16, 2023 | 0.38% (0.00383) | 68.94th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.27% (0.00270) | 62.66th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.69% (0.01690) | 76.10th | v2 (v2022.01.01) |
| May 21, 2022 | 1.69% (0.01690) | 74.32th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01413) | 70.95th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01413) | 50.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 30.10% (0.30098) | 96.74th | v1 |
| Sep 1, 2021 | 30.10% (0.30098) | 98.51th | v1 |
| Apr 14, 2021 | 30.10% (0.30098) | 0.00th | v1 |
Weaknesses (1)
References (5)
- https://blog.0patch.com/2019/06/another-task-scheduler-0day-another.html ExploitThird Party Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1069 vendor-advisoryPatchVendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1069 PatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1069 government-resourceUS Government Resource
- https://www.kb.cert.org/vuls/id/119704 Third Party AdvisoryUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| https://blog.0patch.com/2019/06/another-task-scheduler-0day-another.html | ExploitThird Party Advisory | |
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1069 | vendor-advisoryPatchVendor Advisory | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1069 | PatchVendor Advisory | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1069 | government-resourceUS Government Resource | |
| https://www.kb.cert.org/vuls/id/119704 | Third Party AdvisoryUS Government Resource |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Jun 12, 2019
Updated Aug 12, 2026
Reserved Nov 26, 2018
Link CVE-2019-1069
CISA Vulnrichment
Updated Sep 18, 2024