Security Updates for Microsoft Office Online Server and Microsoft Office Web Apps (November 2020)

high Nessus Plugin ID 142695


The Microsoft Office Web Apps installation on the remote host is affected by multiple vulnerabilities.


The Microsoft Office Web Apps installation on the remote host is missing security updates. It is, therefore, affected by unspecified remote code execution vulnerabilities. An attacker can use a specially crafted Office file to exploit these vulnerabilities. (CVE-2020-17064, CVE-2020-17065)


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

See Also

Plugin Details

Severity: High

ID: 142695

File Name: smb_nt_ms20_nov_office_web.nasl

Version: 1.4

Type: local

Agent: windows

Published: 11/10/2020

Updated: 12/5/2022

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-2020-17065


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

Vulnerability Information

CPE: cpe:/a:microsoft:office_web_apps

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

MSFT: MS20-4486713, MS20-4486727

MSKB: 4486713, 4486727