CVE-2020-16900: Windows Event System Elevation of Privilege Vulnerability

Overview

Severity: High (CVSS 7)
CVSS Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Category: Elevation of Privilege
Exploit Status: Not Exploited
Exploitation Likelihood: Less Likely
Patch Tuesday: 2020-Oct
Released: 2020-10-13
EPSS Score: 0.25% (percentile: 47.9%)

Description

An elevation of privilege vulnerability exists when the Windows Event System improperly handles objects in memory. To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges. The security update addresses the vulnerability by correcting how the Windows Event System handles objects in memory.

Affected Products (44)

Other

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9312
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Security Updates (15)

Acknowledgments

Xuefeng Li (<a href="https://twitter.com/lxf02942370">@lxf02942370</a>) & Zhiniang Peng (<a href="https://twitter.com/edwardzpeng">@edwardzpeng</a>

Revision History

2020-10-13: Information published.