CVE-2020-16957

HIGH

Microsoft 365 Apps - Remote Code Execution via Crafted File

Title source: llm
STIX 2.1

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>

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0387
EPSS Percentile 89.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

Status published
Products (2)
microsoft/365_apps
microsoft/office 2019
Published Oct 16, 2020
Tracked Since Feb 18, 2026