CVE-2020-1245
HIGHWindows - Elevation of Privilege via Win32k Memory Handling
Title source: llmDescription
<p>An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</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 take control of an affected system.</p> <p>The update addresses this vulnerability by correcting how Win32k handles objects in memory.</p>
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1245
Scores
CVSS v3
7.0
EPSS
0.0083
EPSS Percentile
53.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
Status
published
Products (20)
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
... and 10 more
Published
Sep 11, 2020
Tracked Since
Feb 18, 2026