CVE-2018-8356
.NET Framework Security Feature Bypass Vulnerability
CVE-2018-8356 is fixed in 63 products on 1 platform, first by KB4338814, released July 10, 2018. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
n/a
Important
Exploitation
None reported
Exploitation Unlikely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0075
55th percentile
<p>A security feature bypass vulnerability exists when Microsoft .NET Framework components do not correctly validate certificates.</p> <p>An attacker could present expired certificates when challenged.</p> <p>The security update addresses the vulnerability by ensuring that .NET Framework components correctly validate certificates.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4338422 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4338611 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 | KB4338422 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 | KB4338611 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB4338422 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB4338611 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for 32-bit Systems | 14393.2368 | KB4345418 | Jul 16, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for 32-bit Systems | 14393.2363 | KB4338814 | Jul 10, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for x64-based Systems | 14393.2368 | KB4345418 | Jul 16, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for x64-based Systems | 14393.2363 | KB4338814 | Jul 10, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for 32-bit Systems | 15063.1209 | KB4345419 | Jul 16, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for 32-bit Systems | 15063.1206 | KB4338826 | Jul 10, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for x64-based Systems | 15063.1209 | KB4345419 | Jul 16, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for x64-based Systems | 15063.1206 | KB4338826 | Jul 10, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for 32-bit Systems | 16299.551 | KB4345420 | Jul 16, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for 32-bit Systems | 16299.547 | KB4338825 | Jul 10, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for x64-based Systems | 16299.551 | KB4345420 | Jul 16, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for x64-based Systems | 16299.547 | KB4338825 | Jul 10, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for 32-bit Systems | 17134.167 | KB4345421 | Jul 16, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for 32-bit Systems | 17134.165 | KB4338819 | Jul 10, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for x64-based Systems | 17134.167 | KB4345421 | Jul 16, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for x64-based Systems | 17134.165 | KB4338819 | Jul 10, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 for 32-bit Systems | 10240.17918 | KB4345455 | Jul 16, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 for 32-bit Systems | 10240.17914 | KB4338829 | Jul 10, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 for x64-based Systems | 10240.17918 | KB4345455 | Jul 16, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 for x64-based Systems | 10240.17914 | KB4338829 | Jul 10, 2018 |
| Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems | KB4338424 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems | KB4338613 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems | KB4338424 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems | KB4338613 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 | KB4338610 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 | KB4338421 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) | KB4338610 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) | KB4338421 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 R2 | KB4338424 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 R2 | KB4338613 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) | KB4338424 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) | KB4338613 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2016 | 14393.2368 | KB4345418 | Jul 16, 2018 |
| Microsoft .NET Framework 3.5 on Windows Server 2016 | 14393.2363 | KB4338814 | Jul 10, 2018 |
| Microsoft .NET Framework 3.5 on Windows Server 2016 (Server Core installation) | 14393.2368 | KB4345418 | Jul 16, 2018 |
| Microsoft .NET Framework 3.5 on Windows Server 2016 (Server Core installation) | 14393.2363 | KB4338814 | Jul 10, 2018 |
| Microsoft .NET Framework 3.5 on Windows Server, version 1709 (Server Core Installation) | 16299.551 | KB4345420 | Jul 16, 2018 |
| Microsoft .NET Framework 3.5 on Windows Server, version 1709 (Server Core Installation) | 16299.547 | KB4338825 | Jul 10, 2018 |
| Microsoft .NET Framework 3.5 on Windows Server, version 1803 (Server Core Installation) | 17134.167 | KB4345421 | Jul 16, 2018 |
| Microsoft .NET Framework 3.5 on Windows Server, version 1803 (Server Core Installation) | 17134.165 | KB4338819 | Jul 10, 2018 |
| Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1 | KB4338612 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1 | KB4338423 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1 | KB4338612 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1 | KB4338423 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4338612 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4338423 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4338612 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4338423 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4338612 | Jul 10, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4338423 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1 | KB4338417 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1 | KB4338602 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows 7 for x64-based Systems Service Pack 1 | KB4338417 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows 7 for x64-based Systems Service Pack 1 | KB4338602 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows 8.1 for 32-bit systems | KB4338415 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows 8.1 for 32-bit systems | KB4338600 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows 8.1 for x64-based systems | KB4338415 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows 8.1 for x64-based systems | KB4338600 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows RT 8.1 | KB4338415 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4338417 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4338602 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4338417 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4338602 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4338417 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4338602 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB4338417 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB4338602 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 | KB4338416 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 | KB4338601 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 (Server Core installation) | KB4338416 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 (Server Core installation) | KB4338601 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 | KB4338415 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 | KB4338600 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 (Server Core installation) | KB4338415 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 (Server Core installation) | KB4338600 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4338420 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4338606 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB4338420 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB4338606 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems | 14393.2368 | KB4345418 | Jul 16, 2018 |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems | 14393.2363 | KB4338814 | Jul 10, 2018 |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems | 14393.2368 | KB4345418 | Jul 16, 2018 |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems | 14393.2363 | KB4338814 | Jul 10, 2018 |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 | 14393.2368 | KB4345418 | Jul 16, 2018 |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 | 14393.2363 | KB4338814 | Jul 10, 2018 |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation) | 14393.2368 | KB4345418 | Jul 16, 2018 |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation) | 14393.2363 | KB4338814 | Jul 10, 2018 |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2 on Windows 10 for 32-bit Systems | 10240.17918 | KB4345455 | Jul 16, 2018 |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2 on Windows 10 for 32-bit Systems | 10240.17914 | KB4338829 | Jul 10, 2018 |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2 on Windows 10 for x64-based Systems | 10240.17918 | KB4345455 | Jul 16, 2018 |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2 on Windows 10 for x64-based Systems | 10240.17914 | KB4338829 | Jul 10, 2018 |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for 32-bit Systems Service Pack 1 | KB4338420 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for 32-bit Systems Service Pack 1 | KB4338606 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1 | KB4338420 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1 | KB4338606 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems | KB4338419 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems | KB4338605 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for x64-based systems | KB4338419 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for x64-based systems | KB4338605 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows RT 8.1 | KB4338419 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4338420 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4338606 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4338420 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4338606 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 | KB4338604 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 | KB4338418 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation) | KB4338604 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation) | KB4338418 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 | KB4338419 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 | KB4338605 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation) | KB4338419 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation) | KB4338605 | Jul 10, 2018 | |
| Microsoft .NET Framework 4.7.2 on Windows 10 Version 1803 for 32-bit Systems | 17134.167 | KB4345421 | Jul 16, 2018 |
| Microsoft .NET Framework 4.7.2 on Windows 10 Version 1803 for 32-bit Systems | 17134.165 | KB4338819 | Jul 10, 2018 |
| Microsoft .NET Framework 4.7.2 on Windows 10 Version 1803 for x64-based Systems | 17134.167 | KB4345421 | Jul 16, 2018 |
| Microsoft .NET Framework 4.7.2 on Windows 10 Version 1803 for x64-based Systems | 17134.165 | KB4338819 | Jul 10, 2018 |
| Microsoft .NET Framework 4.7.2 on Windows Server, version 1803 (Server Core Installation) | 17134.167 | KB4345421 | Jul 16, 2018 |
| Microsoft .NET Framework 4.7.2 on Windows Server, version 1803 (Server Core Installation) | 17134.165 | KB4338819 | Jul 10, 2018 |
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