CVE-2020-16902 Windows Installer Elevation of Privilege Vulnerability

What is CVE-2020-16902?

CVE-2020-16902 is a high-severity vulnerability in Microsoft Windows 10, published on 16 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

<p>An elevation of privilege vulnerability exists in the Windows Installer when the Windows Installer fails to properly sanitize input leading to an insecure library loading behavior.</p> <p>A locally authenticated attacker could run arbitrary code with elevated system privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p> <p>The security update addresses the vulnerability by correcting the input sanitization error to preclude unintended elevation.</p>

Weakness: CWE-269

Which versions are affected by CVE-2020-16902?

It affects 8 products.

Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012 and 2 more.

How do I fix CVE-2020-16902?

No fix has been published for CVE-2020-16902 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-16902 being exploited?

There is no known exploitation of CVE-2020-16902 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Windows 10

• CVE-2015-2426 Microsoft Windows Adobe Type Manager Library Remote Code Execution Exploited High 8.8
• CVE-2015-1769 Microsoft Windows Mount Manager Privilege Escalation Exploited Medium 6.6
• CVE-2020-1467 Windows Hard Link Elevation of Privilege Vulnerability Critical 10.0
• CVE-2021-26424 Windows TCP/IP Remote Code Execution Vulnerability Critical 9.9
• CVE-2021-28476 Windows Hyper-V Remote Code Execution Vulnerability Critical 9.9

All Microsoft Windows 10 vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8vg2-hc44-37f3.