CVE-2020-0911: Windows Modules Installer Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 7.8)

CVSS Vector

CVSS:3.0/AV:L/AC:L/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-Sep

Released

2020-09-08

Last Updated

2020-09-10

EPSS Score

0.43% (percentile: 62.5%)

Description

An elevation of privilege vulnerability exists when Windows Modules Installer improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in an elevated context. An attacker could exploit this vulnerability by running a specially crafted application on the victim system. The update addresses the vulnerability by correcting the way the Windows Modules Installer handles objects in memory.

Affected Products (44)

Other

• 11497
• 11498
• 11563
• 11568
• 11569
• 11570
• 11571
• 11572
• 11712
• 11713
• 11714
• 11715
• 11453
• 11454
• 11583
• 11644
• 11645
• 11646
• 11647
• 11766
• 11767
• 11768
• 11769
• 10729
• 10735
• 10852
• 10853
• 10816
• 10855
• 10047
• 10048
• 10481
• 10482
• 10484
• 9312
• 10287
• 9318
• 9344
• 10051
• 10049
• 10378
• 10379
• 10483
• 10543

Security Updates (15)

• 4577032
• 4570333
• 4574727
• 4577041
• 4571756
• 4577049
• 4577015
• 4577051
• 4577053
• 4577066
• 4577071
• 4577064
• 4577070
• 4577038
• 4577048

Acknowledgments

<a href="https://twitter.com/clavoillotte">Clément Lavoillotte</a> of <a href="https://offsec.almond.consulting/">Almond</a> and <a href="https://twitter.com/jonasLyk/">Jonas Lykkegård</a> of <a href="https://secret.club/">secret.club</a>

Revision History

• 2020-09-08: Information published.
• 2020-09-10: Updated acknowledgment. This is an informational change only.