#VU26852 Input validation error in Microsoft Web applications


Published: 2020-04-14

Vulnerability identifier: #VU26852

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0760

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Office
Client/Desktop applications / Office applications
Microsoft Excel
Client/Desktop applications / Office applications
Microsoft PowerPoint
Client/Desktop applications / Office applications
Microsoft Visio
Client/Desktop applications / Office applications
Microsoft Word
Client/Desktop applications / Office applications
Microsoft Access
Client/Desktop applications / Office applications
Microsoft Project
Client/Desktop applications / Office applications
Microsoft Outlook
Client/Desktop applications / Office applications
Microsoft Publisher
Client/Desktop applications / Office applications
Microsoft Project Server
Web applications / Other software

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to the Microsoft Office improperly loads arbitrary type libraries. A remote attacker can trick a victim to open a specially crafted Office document and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Office: 2019, 365 ProPlus, 2010 Service Pack 2, 2013 - 2013 RT

Microsoft Excel:

Microsoft PowerPoint:

Microsoft Visio:

Microsoft Word:

Microsoft Access:

Microsoft Project:

Microsoft Outlook:

Microsoft Project Server: 2010 Service Pack 2

Microsoft Publisher:


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0760


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability