Actively exploited · Published Feb 11, 2020 · Assigned by microsoft

CVE-2020-0683

High 7.8 Exploited

In plain English

A high-severity security flaw in Windows from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on November 3, 2021). The chance it is exploited in the next 30 days is estimated at 7.7% (higher than 95% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Apply updates per vendor instructions.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)7.7%top 5.4% of all CVEs
Exploited in the wildYesCISA KEV since Nov 3, 2021
Attack tooling1Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by May 3, 2022.

Official description

An elevation of privilege vulnerability exists in the Windows Installer when MSI packages process symbolic links, aka 'Windows Installer Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0686.

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1803 for 32-bit Systems10 Version 1803 for x64-based Systems10 Version 1803 for ARM64-based Systems10 Version 1809 for 32-bit Systems10 Version 1809 for x64-based Systems10 Version 1809 for ARM64-based Systems10 Version 1709 for 32-bit Systems10 Version 1709 for x64-based Systems
Microsoft Windows Server version 1803 (Core Installation)20192019 (Core installation)20162016 (Core installation)2008 for 32-bit Systems Service Pack 22008 for 32-bit Systems Service Pack 2 (Core installation)2008 for Itanium-Based Systems Service Pack 2
Microsoft Windows 10 Version 1903 for 32-bit Systems unspecified
Microsoft Windows 10 Version 1903 for x64-based Systems unspecified
Microsoft Windows 10 Version 1903 for ARM64-based Systems unspecified
Microsoft Windows Server, version 1903 (Server Core installation) unspecified
Microsoft Windows 10 Version 1909 for 32-bit Systems unspecified
Microsoft Windows 10 Version 1909 for x64-based Systems unspecified
Microsoft Windows 10 Version 1909 for ARM64-based Systems unspecified
Microsoft Windows Server, version 1909 (Server Core installation) unspecified

Weakness: CWE-59 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References