Security Updates for Outlook (April 2021)

high Nessus Plugin ID 148464

Synopsis

The Microsoft Outlook application installed on the remote host is affected by a memory corruption vulnerability.

Description

The Microsoft Outlook application installed on the remote host is missing security updates. It is, therefore, affected by a memory corruption vulnerability.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Microsoft has released the following security updates to address this issue:
-KB4504712
-KB4504733
-KB4493185

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

https://support.microsoft.com/en-us/help/4504712

https://support.microsoft.com/en-us/help/4504733

https://support.microsoft.com/en-us/help/4493185

Plugin Details

Severity: High

ID: 148464

File Name: smb_nt_ms21_apr_outlook.nasl

Version: 1.7

Type: local

Agent: windows

Published: 4/13/2021

Updated: 1/4/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

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-2021-28452

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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

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

Vulnerability Information

CPE: cpe:/a:microsoft:outlook

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 4/13/2021

Vulnerability Publication Date: 4/13/2021

Reference Information

CVE: CVE-2021-28452

IAVA: 2021-A-0175-S

MSFT: MS21-4493185, MS21-4504712, MS21-4504733

MSKB: 4493185, 4504712, 4504733