CVE-2020-16910

MEDIUM

Microsoft Windows - Privilege Escalation

Title source: llm
STIX 2.1

Description

<p>A security feature bypass vulnerability exists when Microsoft Windows fails to handle file creation permissions, which could allow an attacker to create files in a protected Unified Extensible Firmware Interface (UEFI) location.</p> <p>To exploit this vulnerability, an attacker could run a specially crafted application to bypass Unified Extensible Firmware Interface (UEFI) variable security in Windows.</p> <p>The security update addresses the vulnerability by correcting security feature behavior to enforce permissions.</p>

References (1)

Core 1
Core References

Scores

CVSS v3 6.2
EPSS 0.0258
EPSS Percentile 83.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-281
Status published
Products (13)
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_server_2016
microsoft/windows_server_2016 1903
... and 3 more
Published Oct 16, 2020
Tracked Since Feb 18, 2026