Security Updates for Microsoft Excel Products (November 2020)

high Nessus Plugin ID 142685


The Microsoft Excel Products are affected by multiple vulnerabilities.


The Microsoft Office Excel installation on the remote host is missing a security update. It is, therefore, affected by an unspecified remote code execution vulnerability. An attacker can exploit this vulnerability by tricking a user into opening a specially crafted Office file.


Microsoft has released the following security updates to address this issue:

For Office 365, Office 2016 C2R, or Office 2019, ensure automatic updates are enabled or open any office app and manually perform an update.

See Also

Plugin Details

Severity: High

ID: 142685

File Name: smb_nt_ms20_nov_excel.nasl

Version: 1.7

Type: local

Agent: windows

Published: 11/10/2020

Updated: 2/9/2024

Supported Sensors: Nessus

Risk Information


Risk Factor: Medium

Score: 6.7


Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2020-17066


Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2020-17067

Vulnerability Information

CPE: cpe:/a:microsoft:excel

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 11/10/2020

Vulnerability Publication Date: 11/10/2020

Reference Information

CVE: CVE-2020-17064, CVE-2020-17065, CVE-2020-17066, CVE-2020-17067

MSFT: MS20-4486718, MS20-4486734, MS20-4486743

MSKB: 4486718, 4486734, 4486743