Security Updates for Microsoft Word Products (September 2020)

high Nessus Plugin ID 140433

Synopsis

The Microsoft Word Products are missing a security update.

Description

The Microsoft Word Products are missing a security update.
It is, therefore, affected by the following vulnerability :

- A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could use a specially crafted file to perform actions in the security context of the current user. For example, the file could then take actions on behalf of the logged-on user with the same permissions as the current user. (CVE-2020-1218)

Solution

Microsoft has released the following security updates to address this issue:
-KB4484510
-KB4484522
-KB4486660

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

http://www.nessus.org/u?d0608c6b

http://www.nessus.org/u?88facd38

http://www.nessus.org/u?0209111f

Plugin Details

Severity: High

ID: 140433

File Name: smb_nt_ms20_sep_word.nasl

Version: 1.8

Type: local

Agent: windows

Published: 9/8/2020

Updated: 2/21/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2020-1218

CVSS v3

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:word

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 9/8/2020

Vulnerability Publication Date: 9/8/2020

Reference Information

CVE: CVE-2020-1218

IAVA: 2020-A-0404-S

MSFT: MS20-4484510, MS20-4484522, MS20-4486660

MSKB: 4484510, 4484522, 4486660