Use-after-free in Microsoft Office and Microsoft Office for macOS - CVE-2020-1193

 

Use-after-free in Microsoft Office and Microsoft Office for macOS - CVE-2020-1193

Published: September 8, 2020 / Updated: September 13, 2020


Vulnerability identifier: #VU46428
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-1193
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a use-after-free error when processing XLS files. A remote attacker can create a specially crafted Excel file, trick the victim into opening it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Microsoft Office
Microsoft Office for macOS

How to mitigate CVE-2020-1193

Cybersecurity Help is currently unaware of any official solution to address this vulnerability..


External References

Related Security Bulletins