CVEvulnerability
CVE-2020-16940
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-10-16
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-269
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>
Affected configurations
• microsoft windows 10
• 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 2004
• microsoft windows 7
• microsoft windows 8.1
• microsoft windows rt 8.1
• microsoft windows server 2008
• microsoft windows server 2008 r2
• microsoft windows server 2012
• microsoft windows server 2012 r2
• microsoft windows server 2016
• microsoft windows server 2016 1903
• microsoft windows server 2016 1909
• microsoft windows server 2016 2004
• microsoft windows server 2019
Related
Weakness · CWE (1)
- CWE-269 Improper Privilege Management weakness
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16940 Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1248/ Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16940 Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1248/ Third Party Advisory