7.8High KEV

CVE-2020-0683Microsoft Windows Installer Privilege Escalation Vulnerability

Microsoft Windows; Microsoft Windows Server; Microsoft Windows 10 Version 1903 for 32-bit Systems; Microsoft Windows 10 Version 1903 for x64-based Systems Published: 2020-02-12 00:22 (6 years ago)

Known exploited — Microsoft Windows Installer Privilege Escalation Vulnerability

CISA confirmed this vulnerability is used in real attacks on 03.11.2021. Remediation deadline for US federal agencies: 03.05.2022.

Required action: Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2020-0683

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.

Weakness (CWE): CWE-59

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
Microsoft	Windows	10 Version 1803 for 32-bit Systems, 10 Version 1803 for x64-based Systems, 10 Version 1803 for ARM64-based Systems, 10 Version 1809 for 32-bit Systems, 10 Version 1809 for x64-based Systems, 10 Version 1809 for ARM64-based Systems, 10 Version 1709 for 32-bit Systems, 10 Version 1709 for x64-based Systems, 10 Version 1709 for ARM64-based Systems, 10 for 32-bit Systems, 10 for x64-based Systems, 10 Version 1607 for 32-bit Systems, 10 Version 1607 for x64-based Systems, 7 for 32-bit Systems Service Pack 1, 7 for x64-based Systems Service Pack 1, 8.1 for 32-bit systems, 8.1 for x64-based systems,
microsoft	windows 10 1507	—
microsoft	windows 10 1607	—
microsoft	windows 10 1709	—
microsoft	windows 10 1803	—
microsoft	windows 10 1809	—
microsoft	windows 10 1903	—
microsoft	windows 10 1909	—
Microsoft	Windows 10 Version 1903 for 32-bit Systems	unspecified
Microsoft	Windows 10 Version 1903 for ARM64-based Systems	unspecified
Microsoft	Windows 10 Version 1903 for x64-based Systems	unspecified
Microsoft	Windows 10 Version 1909 for 32-bit Systems	unspecified
Microsoft	Windows 10 Version 1909 for ARM64-based Systems	unspecified
Microsoft	Windows 10 Version 1909 for x64-based Systems	unspecified
microsoft	windows 7	—
microsoft	windows 8.1	—
microsoft	windows rt 8.1	—
Microsoft	Windows Server	version 1803 (Core Installation), 2019, 2019 (Core installation), 2016, 2016 (Core installation), 2008 for 32-bit Systems Service Pack 2, 2008 for 32-bit Systems Service Pack 2 (Core installation), 2008 for Itanium-Based Systems Service Pack 2, 2008 for x64-based Systems Service Pack 2, 2008 for x64-based Systems Service Pack 2 (Core installation), 2008 R2 for Itanium-Based Systems Service Pack 1, 2008 R2 for x64-based Systems Service Pack 1, 2008 R2 for x64-based Systems Service Pack 1 (Core installation), 2012, 2012 (Core installation), 2012 R2, 2012 R2 (Core installation)
microsoft	windows server 1803	—
microsoft	windows server 1903	—
microsoft	windows server 1909	—
microsoft	windows server 2008	r2
microsoft	windows server 2012	r2
microsoft	windows server 2016	—
microsoft	windows server 2019	—
Microsoft	Windows Server, version 1903 (Server Core installation)	unspecified
Microsoft	Windows Server, version 1909 (Server Core installation)	unspecified

References and patches

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0683 PatchVendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0683 US Government Resource

CPE matches (NVD) (32)

cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_1803:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_1903:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_1909:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:-:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

CVSS score

7.8High

Source: CISA-ADP · CVSS 3.1

Attack vector: Local
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

All scores (4)

CISA-ADP	CVSS 3.1	7.8High
nvd	CVSS 3.1	7.8High
134c704f-9b21-4f2e-91b3-4a467353bcc0	CVSS 3.1	7.8High
nvd	CVSS 2.0	7.2High

EPSS (chance of exploitation in 30 days)

7.67%

higher than 95% of all CVEs

CISA assessment (SSVC)

Exploitation: active
Automatable: no
Technical impact: total

Timeline

ID reserved2019-11-04
Published2020-02-12 00:22
Reached IP-DB2026-10-24 23:35
Added to KEV2021-11-03
Last updated2026-06-17 05:46

Assigned by (CNA): microsoft
NVD status: Analyzed

View at source: CVE.org · NVD

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