CVE-2020-16916: Windows COM Server 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-Oct

Released

2020-10-13

EPSS Score

0.54% (percentile: 67.8%)

Description

An elevation of privilege vulnerability exists when Windows improperly handles COM object creation. An attacker who successfully exploited the vulnerability could run arbitrary code with elevated privileges. 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. The update addresses the vulnerability by correcting how the Windows COM Server creates COM objects.

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)

• 4580330
• 4577668
• 4577671
• 4580328
• 4579311
• 4580327
• 4580346
• 4580345
• 4580387
• 4580347
• 4580358
• 4580378
• 4580385
• 4580382
• 4580353

Acknowledgments

Anonymous researcher

Revision History

• 2020-10-13: Information published.