MS15-099: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3089664)

high Nessus Plugin ID 85879


The remote Windows host is affected by multiple remote code execution vulnerabilities.


The remote Windows host has a version of Microsoft Office, Excel, Excel Viewer, SharePoint Server, Microsoft Office Compatibility Pack, Microsoft Office Web Apps, and/or Microsoft SharePoint Foundation installed that is affected by one or more of the following vulnerabilities :

- Multiple remote code execution vulnerabilities exist due to improper handling of objects in memory. A remote attacker can exploit these vulnerabilities by convincing a user to open a specially crafted file in Microsoft Office, resulting in execution of arbitrary code in the context of the current user. (CVE-2015-2520, CVE-2015-2521, CVE-2015-2523)

- A cross-site scripting vulnerability exists in SharePoint due to improper sanitization of user-supplied web requests. A remote attacker can exploit this vulnerability, via a specially crafted web request, to execute arbitrary script code in the context of the current user. (CVE-2015-2522)

- A remote code execution vulnerability exists in Microsoft Office due to improper handling of malformed graphics images. A remote attacker can exploit this vulnerability by convincing a user to open a file or visit a website containing a specially crafted EPS image binary, resulting in execution of arbitrary code in the context of the current user. (CVE-2015-2545)


Microsoft has released a set of patches for Office 2007, 2010, 2013, 2013 RT, 2016, SharePoint Server 2013, Microsoft Office Compatibility Pack, and Microsoft Office Web Apps 2013.

See Also

Plugin Details

Severity: High

ID: 85879

File Name: smb_nt_ms15-099.nasl

Version: 1.16

Type: local

Agent: windows

Published: 9/9/2015

Updated: 3/8/2022

Risk Information


Risk Factor: Critical

Score: 9.7


Risk Factor: High

Base Score: 9.3

Temporal Score: 8.1

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

CVSS Score Source: CVE-2015-2545

Vulnerability Information

CPE: cpe:/a:microsoft:excel, cpe:/a:microsoft:excel_viewer, cpe:/a:microsoft:office, cpe:/a:microsoft:office_compatibility_pack, cpe:/a:microsoft:office_web_apps_server, cpe:/a:microsoft:sharepoint_foundation, cpe:/a:microsoft:sharepoint_server

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/8/2015

Vulnerability Publication Date: 9/8/2015

CISA Known Exploited Vulnerability Due Dates: 3/24/2022

Exploitable With

Core Impact

Reference Information

CVE: CVE-2015-2520, CVE-2015-2521, CVE-2015-2522, CVE-2015-2523, CVE-2015-2545

BID: 76561, 76562, 76564, 76588, 76667