CVE-2020-0790

Microsoft splwow64 Elevation of Privilege Vulnerability

High · published September 11, 2020

CVSS v3.1
7.8
EPSS
1%
Percentile
60.3
In the wild
Unconfirmed
What it is

<p>A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls. An attacker who successfully exploited the vulnerability could elevate privileges on an affected system from low-integrity to medium-integrity.</p>

<p>This vulnerability by itself does not allow arbitrary code execution; however, it could allow arbitrary code to be run if the attacker uses it in combination with another vulnerability (such as a remote code execution vulnerability or another elevation of privilege vulnerability) that is capable of leveraging the elevated privileges when code execution is attempted.</p>

<p>The security update addresses the vulnerability by ensuring splwow64.exe properly handles these calls..</p>

The record
Technical detail
CVSS v3.1
7.8 · HIGH
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
CVSS v4.0
Not supplied
EPSS
0.00931 · 60.3th percentile
Published
2020-09-11T17:08Z
EPSS history
Timeline
  • 11 SEP 17:08Z
    Microsoft splwow64 Elevation of Privilege Vulnerability
    cvelistv5