Vulnerability identifier: #VU21032

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2019-1263

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Excel
Client/Desktop applications / Office applications
Microsoft Office for Mac
Client/Desktop applications / Office applications
Microsoft Office
Client/Desktop applications / Office applications

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when processing untrusted data. A remote attacker can create a specially crafted Excel file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Microsoft Excel: 2010 - 2016

Microsoft Office for Mac: 2016

Microsoft Office: 365 ProPlus - 2019 for Mac

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CPE

• cpe:2.3:a:microsoft:microsoft_excel:2010:*:*:*:*:microsoft_office:*:*

External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1263

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?