CVE-2018-8202 — .NET Framework Elevation of Privilege Vulnerability

Executive Summary

An elevation of privilege vulnerability exists in .NET Framework which could allow an attacker to elevate their privilege level. To exploit the vulnerability, an attacker would first have to access the local machine, and then run a malicious program. The update addresses the vulnerability by correcting how .NET Framework activates COM objects.

Overview

Important

MS Severity

Not Exploited

MS Exploit Status

Less Likely

MS Exploit Likelihood

Category Elevation of Privilege

Released Jul 10 2018

Last Updated Jul 10 2018

Publicly Disclosed No

CISA KEV Not Listed

Known Exploits None Known

EPSS Score

No EPSS score available for this CVE.

View on FIRST.org

Affected Products

2 affected products

Product	KB Article	Severity	Impact	Restart Required
Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 4344151 (Monthly Rollup) 4344176 (Security Only) Important Elevation of Privilege 4291501; 4340559 3142023 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 4344151 (Monthly Rollup) 4344176 (Security Only) Important Elevation of Privilege 4291501; 4340559 3142023 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 4344151 (Monthly Rollup) 4344176 (Security Only) Important Elevation of Privilege 4291501; 4340559 3142023 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 4344151 (Monthly Rollup) 4344176 (Security Only) Important Elevation of Privilege 4291501; 4340559 3142023 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 4344151 (Monthly Rollup) 4344176 (Security Only) Important Elevation of Privilege 4291501; 4340559 3142023 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 4344151 (Monthly Rollup) 4344176 (Security Only) Important Elevation of Privilege 4291501; 4340559 3142023 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 on Windows 10 for 32-bit Systems 4343892 (Security Update) 4345455 (Alternate Cumulative) Important Elevation of Privilege 4338829 4284860 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 3.5 on Windows 10 for x64-based Systems 4343892 (Security Update) 4345455 (Alternate Cumulative) Important Elevation of Privilege 4338829 4284860 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for 32-bit Systems 4343887 (Security Update) 4346877 (Alternate Cumulative) Important Elevation of Privilege 4338814 4345418 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for x64-based Systems 4343887 (Security Update) 4346877 (Alternate Cumulative) Important Elevation of Privilege 4338814 4345418 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for 32-bit Systems 4343885 (Security Update) 4345419 (Alternate Cumulative) Important Elevation of Privilege 4338826 4284874 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for x64-based Systems 4343885 (Security Update) 4345419 (Alternate Cumulative) Important Elevation of Privilege 4338826 4284874 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for 32-bit Systems 4343897 (Security Update) 4345420 (Alternate Cumulative) Important Elevation of Privilege 4338825 4284819 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for x64-based Systems 4343897 (Security Update) 4345420 (Alternate Cumulative) Important Elevation of Privilege 4338825 4284819 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for 32-bit Systems 4343909 (Security Update) 4345421 (Alternate Cumulative) Important Elevation of Privilege 4338819 4284835 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for x64-based Systems 4343909 (Security Update) 4345421 (Alternate Cumulative) Important Elevation of Privilege 4338819 4284835 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems 4344153 (Monthly Rollup) 4344178 (Security Only) Important Elevation of Privilege 4291497; 4340558 3142026; 3142030 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems 4344153 (Monthly Rollup) 4344178 (Security Only) Important Elevation of Privilege 4291497; 4340558 3142026; 3142030 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 on Windows Server 2012 4344150 (Monthly Rollup) 4344175 (Security Only) Important Elevation of Privilege 4291495; 4340557 3142025 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) 4344150 (Monthly Rollup) 4344175 (Security Only) Important Elevation of Privilege 4291495; 4340557 3142025 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 on Windows Server 2012 R2 4344153 (Monthly Rollup) 4344178 (Security Only) Important Elevation of Privilege 4291497; 4340558 3142026; 3142030 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) 4344153 (Monthly Rollup) 4344178 (Security Only) Important Elevation of Privilege 4291497; 4340558 3142026; 3142030 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 on Windows Server 2016 4343887 (Security Update) 4346877 (Alternate Cumulative) Important Elevation of Privilege 4338814 4345418 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 3.5 on Windows Server 2016 (Server Core installation) 4343887 (Security Update) 4346877 (Alternate Cumulative) Important Elevation of Privilege 4338814 4345418 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 3.5 on Windows Server, version 1709 (Server Core Installation) 4343897 (Security Update) 4345420 (Alternate Cumulative) Important Elevation of Privilege 4338825 4284819 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 3.5 on Windows Server, version 1803 (Server Core Installation) 4343909 (Security Update) 4345421 (Alternate Cumulative) Important Elevation of Privilege 4338819 4284835 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1 4344152 (Monthly Rollup) 4344177 (Security Only) Important Elevation of Privilege 4291493; 4340556 3142024 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1 4344152 (Monthly Rollup) 4344177 (Security Only) Important Elevation of Privilege 4291493; 4340556 3142024 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 4344152 (Monthly Rollup) 4344177 (Security Only) Important Elevation of Privilege 4291493; 4340556 3142024 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 4344152 (Monthly Rollup) 4344177 (Security Only) Important Elevation of Privilege 4291493; 4340556 3142024 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 4344152 (Monthly Rollup) 4344177 (Security Only) Important Elevation of Privilege 4291493; 4340556 3142024 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1 4344149 (Monthly Rollup) 4344173 (Security Only) Important Elevation of Privilege 4291493, 4340556 4020507 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows 7 for x64-based Systems Service Pack 1 4344149 (Monthly Rollup) 4344173 (Security Only) Important Elevation of Privilege 4291493, 4340556 4020507 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows 8.1 for 32-bit systems 4344147 (Monthly Rollup) 4344171 (Security Only) Important Elevation of Privilege 4291497; 4340558 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows 8.1 for x64-based systems 4344147 (Monthly Rollup) 4344171 (Security Only) Important Elevation of Privilege 4291497; 4340558 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows RT 8.1	`4344147 (Monthly Rollup)`	Important	Elevation of Privilege	Maybe
Microsoft .NET Framework 4.5.2 on Windows Server 2008 for 32-bit Systems Service Pack 2 4344149 (Monthly Rollup) 4344173 (Security Only) Important Elevation of Privilege 4291493, 4340556 4020507 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2 4344149 (Monthly Rollup) 4344173 (Security Only) Important Elevation of Privilege 4291493, 4340556 4020507 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 4344149 (Monthly Rollup) 4344173 (Security Only) Important Elevation of Privilege 4291493, 4340556 4020507 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 4344149 (Monthly Rollup) 4344173 (Security Only) Important Elevation of Privilege 4291493, 4340556 4020507 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows Server 2012 4344148 (Monthly Rollup) 4344172 (Security Only) Important Elevation of Privilege 4291495; 4340557 4020506 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows Server 2012 (Server Core installation) 4344148 (Monthly Rollup) 4344172 (Security Only) Important Elevation of Privilege 4291495; 4340557 4020506 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 4344147 (Monthly Rollup) 4344171 (Security Only) Important Elevation of Privilege 4291497; 4340558 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 (Server Core installation) 4344147 (Monthly Rollup) 4344171 (Security Only) Important Elevation of Privilege 4291497; 4340558 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2 4338420 (Monthly Rollup) 4338606 (Security Only) Important Elevation of Privilege 4099636, 4291501 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2 4338420 (Monthly Rollup) 4338606 (Security Only) Important Elevation of Privilege 4099636, 4291501 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems 4343887 (Security Update) 4346877 (Alternate Cumulative) Important Elevation of Privilege 4338814 4345418 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems 4343887 (Security Update) 4346877 (Alternate Cumulative) Important Elevation of Privilege 4338814 4345418 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 4343887 (Security Update) 4346877 (Alternate Cumulative) Important Elevation of Privilege 4338814 4345418 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation) 4343887 (Security Update) 4346877 (Alternate Cumulative) Important Elevation of Privilege 4338814 4345418 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 4.6/4.6.1/4.6.2 on Windows 10 for 32-bit Systems 4343892 (Security Update) 4345455 (Alternate Cumulative) Important Elevation of Privilege 4338829 4284860 Base: N/A Temporal: N/A Vector: N/A Yes None Microsoft .NET Framework 4.6/4.6.1/4.6.2 on Windows 10 for x64-based Systems 4343892 (Security Update) 4345455 (Alternate Cumulative) Important Elevation of Privilege 4338829 4284860 Base: N/A Temporal: N/A Vector: N/A Yes None 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 4344146 (Monthly Rollup) 4344167 (Security Only) Important Elevation of Privilege 4291493, 4340556 Base: N/A Temporal: N/A Vector: N/A Maybe None 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 4344146 (Monthly Rollup) 4344167 (Security Only) Important Elevation of Privilege 4291493, 4340556 Base: N/A Temporal: N/A Vector: N/A Maybe None 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 4344145 (Monthly Rollup) 4344166 (Security Only) Important Elevation of Privilege 4291497; 4340558 Base: N/A Temporal: N/A Vector: N/A Maybe None 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 4344145 (Monthly Rollup) 4344166 (Security Only) Important Elevation of Privilege 4291497; 4340558 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows RT 8.1	`4344145 (Monthly Rollup)`	Important	Elevation of Privilege	Maybe

Patches

2 patches

Article	Type	Restart
`4344147`	Monthly Rollup	Maybe
`4344145`	Monthly Rollup	Maybe

Known Exploits

No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.

Acknowledgments

Lasse Trolle Borup

References

MSRC Advisory MITRE NVD