HIGH
An elevation of privilege vulnerability exists when the Windows Client Server Run-Time Subsystem (CSRSS) fails to properly handle objects in memory, aka 'Windows CSRSS Elevation of Privilege Vulnerability'
Published Apr 9, 2019
7.8
HIGHCVSS 3.0
EPSS 3.66%
Description
An elevation of privilege vulnerability exists when the Windows Client Server Run-Time Subsystem (CSRSS) fails to properly handle objects in memory, aka 'Windows CSRSS 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 1703 for 32-bit SystemsStatusaffectedConstraints-
- Version 10 Version 1703 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 7 for 32-bit Systems Service Pack 1StatusaffectedConstraints-
- Version 7 for x64-based Systems Service Pack 1StatusaffectedConstraints-
- Version 8.1 for 32-bit systemsStatusaffectedConstraints-
- Version 8.1 for x64-based systemsStatusaffectedConstraints-
- Version RT 8.1StatusaffectedConstraints-
- Version
-
- Version 2008 R2 for Itanium-Based Systems Service Pack 1StatusaffectedConstraints-
- Version 2008 R2 for x64-based Systems Service Pack 1StatusaffectedConstraints-
- Version 2008 R2 for x64-based Systems Service Pack 1 (Core installation)StatusaffectedConstraints-
- Version 2008 for 32-bit Systems Service Pack 2StatusaffectedConstraints-
- Version 2008 for 32-bit Systems Service Pack 2 (Core installation)StatusaffectedConstraints-
- Version 2008 for Itanium-Based Systems Service Pack 2StatusaffectedConstraints-
- Version 2008 for x64-based Systems Service Pack 2StatusaffectedConstraints-
- Version 2008 for x64-based Systems Service Pack 2 (Core installation)StatusaffectedConstraints-
- 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 1709 (Core Installation)StatusaffectedConstraints-
- Version version 1803 (Core Installation)StatusaffectedConstraints-
- 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 Server | n/a |
|
OR
- n/a
- 1607
- 1703
- 1709
- 1803
- 1809
- n/a
- n/a
- n/a
- n/a
- r2
- r2
- n/a
- r2
- n/a
- 1709
- 1803
- 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.
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
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
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.66% 0.03662
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03662
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 (35 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.66% (0.03662) | 89.28th | v5 (v2026.06.15) |
| Sep 22, 2026 | 3.66% (0.03662) | 89.14th | v5 (v2026.06.15) |
| Sep 21, 2026 | 4.77% (0.04772) | 91.52th | v5 (v2026.06.15) |
| Sep 6, 2026 | 3.66% (0.03662) | 88.89th | v5 (v2026.06.15) |
| Sep 5, 2026 | 4.77% (0.04772) | 91.34th | v5 (v2026.06.15) |
| Aug 30, 2026 | 3.66% (0.03662) | 88.83th | v5 (v2026.06.15) |
| Aug 28, 2026 | 4.77% (0.04772) | 91.29th | v5 (v2026.06.15) |
| Aug 24, 2026 | 3.66% (0.03662) | 88.77th | v5 (v2026.06.15) |
| Aug 23, 2026 | 4.77% (0.04772) | 91.25th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.66% (0.03662) | 88.16th | v5 (v2026.06.15) |
| Mar 18, 2026 | 9.05% (0.09055) | 92.55th | v4 (v2025.03.14) |
| Mar 17, 2026 | 5.85% (0.05846) | 90.43th | v4 (v2025.03.14) |
| Nov 21, 2025 | 8.20% (0.08201) | 91.84th | v4 (v2025.03.14) |
| Nov 18, 2025 | 1.65% (0.01653) | 80.50th | v4 (v2025.03.14) |
| Sep 25, 2025 | 8.20% (0.08201) | 91.88th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.15% (0.04145) | 87.58th | v4 (v2025.03.14) |
| Mar 29, 2025 | 14.33% (0.14327) | 90.70th | v4 (v2025.03.14) |
| Mar 17, 2025 | 7.75% (0.07747) | 91.33th | v4 (v2025.03.14) |
| Feb 16, 2025 | 71.27% (0.71274) | 98.29th | v3 (v2023.03.01) |
| Jan 22, 2025 | 65.10% (0.65097) | 98.09th | v3 (v2023.03.01) |
| Dec 17, 2024 | 70.92% (0.70919) | 98.23th | v3 (v2023.03.01) |
| Dec 12, 2024 | 0.15% (0.00152) | 52.82th | v3 (v2023.03.01) |
| Apr 2, 2024 | 0.15% (0.00153) | 50.81th | v3 (v2023.03.01) |
| Jan 8, 2024 | 0.14% (0.00137) | 48.87th | v3 (v2023.03.01) |
| Jun 4, 2023 | 0.15% (0.00146) | 49.30th | v3 (v2023.03.01) |
| Apr 2, 2023 | 0.15% (0.00151) | 49.71th | v3 (v2023.03.01) |
| Mar 16, 2023 | 0.19% (0.00195) | 55.70th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.15% (0.00150) | 49.39th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.91% (0.01909) | 77.43th | v2 (v2022.01.01) |
| Mar 4, 2023 | 1.91% (0.01909) | 77.42th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.91% (0.01909) | 75.42th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.91% (0.01909) | 54.58th | 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 (3)
- http://packetstormsecurity.com/files/152532/Microsoft-Windows-CSRSS-SxSSrv-Cached-Manifest-Privilege-Escalation.html x_refsource_MISCThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0735 x_refsource_MISCPatchVendor Advisory
- https://www.exploit-db.com/exploits/46712/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/152532/Microsoft-Windows-CSRSS-SxSSrv-Cached-Manifest-Privilege-Escalation.html | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0735 | x_refsource_MISCPatchVendor Advisory | |
| https://www.exploit-db.com/exploits/46712/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Apr 9, 2019
Updated Aug 4, 2024
Reserved Nov 26, 2018
Link CVE-2019-0735
CISA Vulnrichment
Updated n/a