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Microsoft Windows

CVE-2020-0808 — Provisioning Runtime Elevation of Privilege Vulnerability

Important CVSS 7.8 EPSS 0.00739 2020-03 archive

Executive Summary

An elevation of privilege vulnerability exists in the way the Provisioning Runtime validates certain file operations. An attacker who successfully exploited the vulnerability could gain elevated privileges on a victim system. To exploit the vulnerability, an attacker would require unprivileged code execution on a victim system. The security update addresses the vulnerability by correctly validating file operations.

Overview

7.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Elevation of Privilege
Released Mar 10 2020
Last Updated Mar 10 2020
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00739 — 0.49692 percentile
NVD CVSS 7.8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Proof-of-Concept
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.0

EPSS Score

0.00739
probability of exploitation in the next 30 days
0.49692 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

20 affected products
Product KB Article Severity Impact Restart Required
Windows 10 Version 1709 for 32-bit Systems 4540681 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1709 for ARM64-based Systems 4540681 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1709 for x64-based Systems 4540681 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1803 for 32-bit Systems 4540689 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1803 for ARM64-based Systems 4540689 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1803 for x64-based Systems 4540689 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for 32-bit Systems 4538461 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for ARM64-based Systems 4538461 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for x64-based Systems 4538461 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1903 for 32-bit Systems 4540673 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1903 for ARM64-based Systems 4540673 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1903 for x64-based Systems 4540673 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1909 for 32-bit Systems 4540673 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1909 for ARM64-based Systems 4540673 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1909 for x64-based Systems 4540673 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 4538461 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 (Server Core installation) 4538461 (Security Update) Important Elevation of Privilege Yes
Windows Server, version 1803 (Server Core Installation) 4540689 (Security Update) Important Elevation of Privilege Yes
Windows Server, version 1903 (Server Core installation) 4540673 (Security Update) Important Elevation of Privilege Yes
Windows Server, version 1909 (Server Core installation) 4540673 (Security Update) Important Elevation of Privilege Yes

Patches

4 patches
Article Type Restart
4540681 Security Update Yes
4540689 Security Update Yes
4538461 Security Update Yes
4540673 Security Update Yes

Known Exploits

Acknowledgments

@edwardzpeng

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