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CVE-2020-16937

.NET Framework Information Disclosure Vulnerability

Published: Oct 16, 2020Updated: Feb 23, 2026 Sources: CVE List NVD BDUNVD-CWE-noinfo
NVD MITRE
4.7CVSSMEDIUM
EPSS Score
3.0%
Top 14.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

<p>An information disclosure vulnerability exists when the .NET Framework improperly handles objects in memory. An attacker who successfully exploited the vulnerability could disclose contents of an affected system's memory.</p> <p>To exploit the vulnerability, an authenticated attacker would need to run a specially crafted application.</p> <p>The update addresses the vulnerability by correcting how the .NET Framework handles objects in memory.</p>

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

NVD-CWE-noinfo

Affected Products

Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Microsoft
LibraryLibrary
OSS Libraries / generic-library
Microsoft .NET Framework 4.8Microsoft
On-premOS
Operating Systems / windows
Microsoft .NET Framework 3.5 AND 4.8Microsoft
LibraryLibrary
OSS Libraries / generic-library
Microsoft .NET Framework 3.5 AND 4.7.2Microsoft
LibraryLibrary
OSS Libraries / generic-library
Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2Microsoft
LibraryLibrary
Operating Systems / windows
microsoftcommercialUSOperating Systems
and 19 more affected products View all →

Exploitability

Official Patch Available

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16937
portal.msrc.microsoft.com

Timeline

Published
Oct 16, 2020
Last Updated
Feb 23, 2026

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