CVE-2020-16957

high Microsoft
CVSS v3 Base Score
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
9.7%
Exploitation probability in 30 days
Top 7% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Published: October 16, 2020 (2036 days ago)
Last Modified: February 23, 2026
Vendor: Microsoft

Description

<p>A remote code execution vulnerability exists when the Microsoft Office Access Connectivity Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system.</p> <p>An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file.</p> <p>The update addresses the vulnerability by correcting the way the Microsoft Office Access Connectivity Engine handles objects in memory.</p>

CWE

NVD-CWE-noinfo

Affected Products

microsoft 365 appsmicrosoft office

References

🔗 portal.msrc.microsoft.com 🔗 portal.msrc.microsoft.com