Security Updates for Outlook (March 2023)

critical Nessus Plugin ID 172527

Synopsis

The Microsoft Outlook application installed on the remote host is missing a security update.

Description

The Microsoft Outlook application installed on the remote host is missing a security update. It is, therefore, affected by an elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges.

Solution

Microsoft has released the following security updates to address this issue:
-KB5002265
-KB5002254

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/5002265

https://support.microsoft.com/en-us/help/5002254

Plugin Details

Severity: Critical

ID: 172527

File Name: smb_nt_ms23_mar_outlook.nasl

Version: 1.4

Type: local

Agent: windows

Published: 3/14/2023

Updated: 6/16/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

CVSS Score Source: CVE-2023-23397

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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

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

Vulnerability Information

CPE: cpe:/a:microsoft:outlook

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/14/2023

Vulnerability Publication Date: 3/14/2023

CISA Known Exploited Vulnerability Due Dates: 4/4/2023

Reference Information

CVE: CVE-2023-23397

IAVA: 2023-A-0140-S

MSFT: MS23-5002254, MS23-5002265

MSKB: 5002254, 5002265