CVE-2020-16940: microsoft windows_10 Improper Privilege Management
Vulnerability summary
CVE-2020-16940 is a high (CVSS 7.8) Improper Privilege Management vulnerability in microsoft windows_10. EPSS estimates a 1.55% chance of exploitation in the next 30 days, higher than 74.7% of scored vulnerabilities.
Timeline
- 16-10-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
<p>An elevation of privilege vulnerability exists when the Windows User Profile Service (ProfSvc) improperly handles junction points. An attacker who successfully exploited this vulnerability could delete files and folders in an elevated context.</p> <p>To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and delete files or folders of their choosing.</p> <p>The security update addresses the vulnerability by correcting how the Windows User Profile Service handles junction points.</p>
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.55%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
0.00 pp
From 1.55% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft33 products
- windows_10na | 1607 | 1709 | 1803 | 1809 | 1903 | 1909 | 2004
- windows 10 version 1507≥ 10.0.0, < publication
- windows 10 version 1607≥ 10.0.0, < publication
- windows 10 version 1709≥ 10.0.0, < publication
- windows 10 version 1709 for 32-bit systems≥ 10.0.0, < publication
1 vendor · 33 products
References
2 links- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16940X Refsource MISCPatchVendor Advisory