CVE-2020-1526

Windows Network Connection Broker Elevation of Privilege Vulnerability

Description

An elevation of privilege vulnerability exists when the Windows Network Connection Broker improperly handles memory. To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges. The security update addresses the vulnerability by correcting how the Windows Network Connection Broker handles memory.

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.51%
Vendor Advisory microsoft.com
Affected: Microsoft Windows 10 Version 1803
Affected: Microsoft Windows 10 Version 1809
Affected: Microsoft Windows Server 2019
Affected: Microsoft Windows Server 2019 (Server Core installation)
Affected: Microsoft Windows 10 Version 1909
Affected: Microsoft Windows Server, version 1909 (Server Core installation)
Affected: Microsoft Windows 10 Version 1709 for 32-bit Systems
Affected: Microsoft Windows 10 Version 1709
Affected: Microsoft Windows 10 Version 1903 for 32-bit Systems
Affected: Microsoft Windows 10 Version 1903 for x64-based Systems
Affected: Microsoft Windows 10 Version 1903 for ARM64-based Systems
Affected: Microsoft Windows Server, version 1903 (Server Core installation)
Affected: Microsoft Windows 10 Version 1507
Affected: Microsoft Windows 10 Version 1607
Affected: Microsoft Windows Server 2016
Affected: Microsoft Windows Server 2016 (Server Core installation)
Affected: Microsoft Windows 10 Version 2004
Affected: Microsoft Windows Server version 2004
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2020-1526?
CVE-2020-1526 has been scored as a high severity vulnerability.
How to fix CVE-2020-1526?
To fix CVE-2020-1526, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-1526 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-1526 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-1526?
CVE-2020-1526 affects Microsoft Windows 10 Version 1803, Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows 10 Version 1909, Microsoft Windows Server, version 1909 (Server Core installation), Microsoft Windows 10 Version 1709 for 32-bit Systems, Microsoft Windows 10 Version 1709, Microsoft Windows 10 Version 1903 for 32-bit Systems, Microsoft Windows 10 Version 1903 for x64-based Systems, Microsoft Windows 10 Version 1903 for ARM64-based Systems, Microsoft Windows Server, version 1903 (Server Core installation), Microsoft Windows 10 Version 1507, Microsoft Windows 10 Version 1607, Microsoft Windows Server 2016, Microsoft Windows Server 2016 (Server Core installation), Microsoft Windows 10 Version 2004, Microsoft Windows Server version 2004.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.