Windows Elevation of Privilege Vulnerability
Published Aug 14, 2019
7.0
HIGHCVSS 3.1
EPSS 0.74%
Description
An elevation of privilege vulnerability exists in the way that the PsmServiceExtHost.dll handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application. The security update addresses the vulnerability by ensuring the PsmServiceExtHost.dll properly handles objects in memory.
Affected products
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 10.0.0StatusaffectedConstraints<publication
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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
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 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 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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- 1803
- 1809
- 1903
- 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.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
1 other source (NVD) ▾
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.74% (0.00742) | 53.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.74% (0.00742) | 49.68th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.30% (0.00304) | 50.60th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.34% (0.01345) | 67.84th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.22% (0.00223) | 42.99th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00043) | 11.28th | v3 (v2023.03.01) |
| Jun 12, 2024 | 0.04% (0.00043) | 9.42th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00043) | 7.39th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.38% (0.01376) | 71.76th | v2 (v2022.01.01) |
| Jul 23, 2022 | 1.38% (0.01376) | 70.53th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.15% (0.01150) | 57.39th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.37% (0.01372) | 45.59th | v2 (v2022.01.01) |
| Feb 3, 2022 | 17.64% (0.17642) | 92.83th | v1 |
| Jan 6, 2022 | 17.64% (0.17642) | 92.74th | v1 |
| Sep 1, 2021 | 4.56% (0.04557) | 86.26th | v1 |
| Apr 14, 2021 | 4.56% (0.04557) | 0.00th | v1 |
No CWE recorded.
References (1)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1173 x_refsource_MISCPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1173 | x_refsource_MISCPatchVendor Advisory |
Change history (0)
No recorded changes yet.