Security Updates for Microsoft Excel Products (August 2023)

high Nessus Plugin ID 179490

Synopsis

The Microsoft Excel Products are missing a security update.

Description

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

- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2023-36896)

Solution

Microsoft has released the following security updates to address this issue:
-KB5002451
-KB5002463

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://msrc.microsoft.com/update-guide/en-US/vulnerability/ADV230003

https://support.microsoft.com/en-us/help/5002451

https://support.microsoft.com/en-us/help/5002463

Plugin Details

Severity: High

ID: 179490

File Name: smb_nt_ms23_aug_excel.nasl

Version: 1.5

Type: local

Agent: windows

Published: 8/8/2023

Updated: 9/18/2023

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2023-36896

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:excel

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 8/8/2023

Vulnerability Publication Date: 8/8/2023

Reference Information

CVE: CVE-2023-36896

IAVA: 2023-A-0405-S, 2023-A-0419-S

MSFT: MS23-5002451, MS23-5002463

MSKB: 5002451, 5002463