CVE-2020-0683

An elevation of privilege vulnerability exists in the Windows Installer when MSI packages process...

7.8 HighIn KEVPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

7.67%Down 22.4 points since Apr 14, 2021

What each source reports

NVD Score used 7.8

Record: CVE-2020-0683
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-59
Updated: 2026-11-02

CVE List 7.8

Record: CVE-2020-0683
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-59
Updated: 2026-11-02

EUVDEUVD-2020-2176 7.8

Record: EUVD-2020-2176
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-h9c6-h3q2-gq6x 7.8

An elevation of privilege vulnerability exists in the Windows Installer when MSI packages process...

Record: GHSA-h9c6-h3q2-gq6x
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-59, CWE-269
Updated: 2026-11-02

CISA KEV No score

Microsoft Windows Installer Privilege Escalation Vulnerability

Microsoft Windows Installer contains a privilege escalation vulnerability when MSI packages process symbolic links, which allows attackers to bypass access restrictions to add or remove files.

Record: CVE-2020-0683
Updated: 2026-11-02

Affected products

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Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	padovah4ck/CVE-2020-0683	2020-02-11
Exploit-DB	MSI Packages Symbolic Links Processing - Windows 10 Privilege Escalation	2020-02-17

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation, exploits
Nov 2, 2026	first indexed	CVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-0683 is a high vulnerability (CVSS 7.8) in Microsoft Windows, published February 11, 2020. CISA lists it as known to be exploited, since November 3, 2021. EUVD reports exploitation since November 3, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.67%, the 94th percentile. No source names a fixed version.