HIGH
A denial of service vulnerability exists when Microsoft Common Object Runtime Library improperly handles web requests, aka '.NET Denial of Service Vulnerability'
Published Jul 15, 2019
7.5
HIGHCVSS 3.0
EPSS 7.80%
Description
A denial of service vulnerability exists when Microsoft Common Object Runtime Library improperly handles web requests, aka '.NET Denial of Service Vulnerability'.
Affected products
-
- Version Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2StatusaffectedConstraints-
- Version Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2StatusaffectedConstraints-
- Version Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2StatusaffectedConstraints-
- Version
-
- Version Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2StatusaffectedConstraints-
- Version Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2StatusaffectedConstraints-
- Version Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2StatusaffectedConstraints-
- Version
-
- Version Windows 10 Version 1607 for 32-bit SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1607 for x64-based SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1703 for 32-bit SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1703 for x64-based SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1709 for 32-bit SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1709 for x64-based SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1803 for 32-bit SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1803 for x64-based SystemsStatusaffectedConstraints-
- Version Windows 10 for 32-bit SystemsStatusaffectedConstraints-
- Version Windows 10 for x64-based SystemsStatusaffectedConstraints-
- Version Windows 8.1 for 32-bit systemsStatusaffectedConstraints-
- Version Windows 8.1 for x64-based systemsStatusaffectedConstraints-
- Version Windows Server 2012StatusaffectedConstraints-
- Version Windows Server 2012 (Server Core installation)StatusaffectedConstraints-
- Version Windows Server 2012 R2StatusaffectedConstraints-
- Version Windows Server 2012 R2 (Server Core installation)StatusaffectedConstraints-
- Version Windows Server 2016StatusaffectedConstraints-
- Version Windows Server 2016 (Server Core installation)StatusaffectedConstraints-
- Version Windows Server, version 1803 (Server Core Installation)StatusaffectedConstraints-
- Version
-
- Version unspecifiedStatusaffectedConstraints-
- Version
-
- Version unspecifiedStatusaffectedConstraints-
- Version
-
- Version Windows 7 for 32-bit Systems Service Pack 1StatusaffectedConstraints-
- Version Windows 7 for x64-based Systems Service Pack 1StatusaffectedConstraints-
- Version Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1StatusaffectedConstraints-
- Version Windows Server 2008 R2 for x64-based Systems Service Pack 1StatusaffectedConstraints-
- Version Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)StatusaffectedConstraints-
- Version
-
- Version Windows 7 for 32-bit Systems Service Pack 1StatusaffectedConstraints-
- Version Windows 7 for x64-based Systems Service Pack 1StatusaffectedConstraints-
- Version Windows 8.1 for 32-bit systemsStatusaffectedConstraints-
- Version Windows 8.1 for x64-based systemsStatusaffectedConstraints-
- Version Windows RT 8.1StatusaffectedConstraints-
- Version Windows Server 2008 R2 for x64-based Systems Service Pack 1StatusaffectedConstraints-
- Version Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)StatusaffectedConstraints-
- Version Windows Server 2008 for 32-bit Systems Service Pack 2StatusaffectedConstraints-
- Version Windows Server 2008 for x64-based Systems Service Pack 2StatusaffectedConstraints-
- Version Windows Server 2012StatusaffectedConstraints-
- Version Windows Server 2012 (Server Core installation)StatusaffectedConstraints-
- Version Windows Server 2012 R2StatusaffectedConstraints-
- Version Windows Server 2012 R2 (Server Core installation)StatusaffectedConstraints-
- Version
-
- Version Windows Server 2008 for 32-bit Systems Service Pack 2StatusaffectedConstraints-
- Version Windows Server 2008 for x64-based Systems Service Pack 2StatusaffectedConstraints-
- Version
-
- Version Windows 10 for 32-bit SystemsStatusaffectedConstraints-
- Version Windows 10 for x64-based SystemsStatusaffectedConstraints-
- Version
-
- Version Windows 7 for 32-bit Systems Service Pack 1StatusaffectedConstraints-
- Version Windows 7 for x64-based Systems Service Pack 1StatusaffectedConstraints-
- Version Windows 8.1 for 32-bit systemsStatusaffectedConstraints-
- Version Windows 8.1 for x64-based systemsStatusaffectedConstraints-
- Version Windows RT 8.1StatusaffectedConstraints-
- Version Windows Server 2008 R2 for x64-based Systems Service Pack 1StatusaffectedConstraints-
- Version Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)StatusaffectedConstraints-
- Version Windows Server 2012StatusaffectedConstraints-
- Version Windows Server 2012 (Server Core installation)StatusaffectedConstraints-
- Version Windows Server 2012 R2StatusaffectedConstraints-
- Version Windows Server 2012 R2 (Server Core installation)StatusaffectedConstraints-
- Version
- Vendor Microsoft Product Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems Defaultn/a
- Version unspecifiedStatusaffectedConstraints-
- Version
- Vendor Microsoft Product Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems Defaultn/a
- Version unspecifiedStatusaffectedConstraints-
- Version
- Vendor Microsoft Product Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for 32-bit Systems Defaultn/a
- Version unspecifiedStatusaffectedConstraints-
- Version
- Vendor Microsoft Product Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for x64-based Systems Defaultn/a
- Version unspecifiedStatusaffectedConstraints-
- Version
- Vendor Microsoft Product Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems Defaultn/a
- Version unspecifiedStatusaffectedConstraints-
- Version
- Vendor Microsoft Product Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems Defaultn/a
- Version unspecifiedStatusaffectedConstraints-
- Version
- Vendor Microsoft Product Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems Defaultn/a
- Version unspecifiedStatusaffectedConstraints-
- Version
- Vendor Microsoft Product Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems Defaultn/a
- Version unspecifiedStatusaffectedConstraints-
- Version
- Vendor Microsoft Product Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1 Defaultn/a
- Version unspecifiedStatusaffectedConstraints-
- Version
- Vendor Microsoft Product Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1 Defaultn/a
- Version unspecifiedStatusaffectedConstraints-
- Version
-
- Version unspecifiedStatusaffectedConstraints-
- Version
- Vendor Microsoft Product Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems Defaultn/a
- Version unspecifiedStatusaffectedConstraints-
- Version
-
- Version unspecifiedStatusaffectedConstraints-
- Version
-
- Version unspecifiedStatusaffectedConstraints-
- Version
- Vendor Microsoft Product Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) Defaultn/a
- Version unspecifiedStatusaffectedConstraints-
- Version
-
- Version unspecifiedStatusaffectedConstraints-
- Version
-
- Version unspecifiedStatusaffectedConstraints-
- Version
- Vendor Microsoft Product Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation) Defaultn/a
- Version unspecifiedStatusaffectedConstraints-
- Version
-
- Version 1903StatusaffectedConstraints-
- 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 | Microsoft .NET Framework 2.0 | n/a |
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| Microsoft | Microsoft .NET Framework 3.0 | n/a |
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| Microsoft | Microsoft .NET Framework 3.5 | n/a |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 | n/a |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 | n/a |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft .NET Framework 3.5.1 | n/a |
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| Microsoft | Microsoft .NET Framework 4.5.2 | n/a |
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| Microsoft | Microsoft .NET Framework 4.6 | n/a |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2 | n/a |
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| Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 | n/a |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems | n/a |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems | n/a |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for 32-bit Systems | n/a |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for x64-based Systems | n/a |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems | n/a |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems | n/a |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems | n/a |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems | n/a |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1 | n/a |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1 | n/a |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems | n/a |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems | n/a |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft .NET Framework 4.8 on Windows RT 8.1 | n/a |
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| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 | n/a |
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| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) | n/a |
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| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 R2 | n/a |
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| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2016 | n/a |
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| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation) | n/a |
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| Microsoft | n/a | n/a |
|
Configuration 1
AND
OR
- 2.0
- 3.0
Running on/with
- n/a
Configuration 2
AND
- 3.5
Running on/with
OR
- n/a
- 1607
- 1703
- 1709
- 1803
- n/a
- n/a
- r2
- n/a
- n/a
Configuration 3
AND
OR
- 3.5
- 4.7.2
Running on/with
OR
- 1809
- n/a
Configuration 4
AND
OR
- 3.5
- 4.7.2
Running on/with
OR
- 1809
- n/a
Configuration 5
AND
OR
- 3.5
- 4.8
Running on/with
OR
- 1809
- 1903
- 1903
- n/a
Configuration 6
AND
- 3.5.1
Running on/with
OR
- n/a
- r2
- r2
Configuration 7
AND
- 4.5.2
Running on/with
OR
- n/a
- n/a
- n/a
- n/a
- r2
- n/a
- r2
Configuration 8
AND
- 4.6
Running on/with
- n/a
Configuration 9
AND
OR
- 4.6
- 4.6.1
- 4.6.2
Running on/with
- n/a
Configuration 10
AND
OR
- 4.6
- 4.6.1
- 4.6.2
- 4.7
- 4.7.1
- 4.7.2
Running on/with
OR
- n/a
- n/a
- n/a
- r2
- n/a
- r2
Configuration 11
AND
- 4.8
Running on/with
OR
- 1607
- 1703
- 1709
- 1803
- n/a
- n/a
- n/a
- r2
- n/a
- r2
- 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.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
7.80% 0.07797
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.07797
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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 7.80% (0.07797) | 94.49th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.80% (0.07797) | 93.88th | v5 (v2026.06.15) |
| Mar 30, 2025 | 10.56% (0.10562) | 92.57th | v4 (v2025.03.14) |
| Mar 29, 2025 | 22.10% (0.22098) | 93.16th | v4 (v2025.03.14) |
| Mar 28, 2025 | 10.56% (0.10562) | 92.58th | v4 (v2025.03.14) |
| Mar 27, 2025 | 22.10% (0.22098) | 94.99th | v4 (v2025.03.14) |
| Mar 20, 2025 | 10.56% (0.10562) | 92.66th | v4 (v2025.03.14) |
| Mar 19, 2025 | 22.10% (0.22098) | 95.09th | v4 (v2025.03.14) |
| Mar 17, 2025 | 10.56% (0.10562) | 92.71th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.14% (0.00138) | 50.90th | v3 (v2023.03.01) |
| Nov 26, 2023 | 0.14% (0.00141) | 49.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00138) | 47.53th | v3 (v2023.03.01) |
| Mar 6, 2023 | 25.50% (0.25501) | 96.98th | v2 (v2022.01.01) |
| Jan 9, 2023 | 25.50% (0.25501) | 96.90th | v2 (v2022.01.01) |
| Jun 23, 2022 | 25.83% (0.25826) | 96.90th | v2 (v2022.01.01) |
| Feb 4, 2022 | 27.88% (0.27885) | 95.98th | v2 (v2022.01.01) |
| Feb 3, 2022 | 22.11% (0.22109) | 94.76th | v1 |
| Jan 6, 2022 | 22.11% (0.22109) | 94.70th | v1 |
| Sep 1, 2021 | 22.11% (0.22109) | 98.01th | v1 |
| Apr 14, 2021 | 22.11% (0.22109) | 0.00th | v1 |
Weaknesses (1)
References (1)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1083 x_refsource_MISCPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1083 | x_refsource_MISCPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Jul 15, 2019
Updated Aug 4, 2024
Reserved Nov 26, 2018
Link CVE-2019-1083
CISA Vulnrichment
Updated n/a