FILE-OFFICE Microsoft Office Excel named range cell content use-after-free attempt
This event is generated when a crafted Microsoft Excel document is found traversing the network.
Attempted User Privilege Gain
CVSS base score 7.8
CVSS impact score 5.9
CVSS exploitability score 1.8
Confidentiality Impact HIGH
Integrity Impact HIGH
Availability Impact HIGH
Microsoft Office Excel contains a use-after-free vulnerability that can allow an attacker remote code execution through use of a crafted Excel file.
CVE-2018-0920: A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Microsoft Excel. This CVE ID is unique from CVE-2018-1011, CVE-2018-1027, CVE-2018-1029.
Ease of attack
Follow corporate patch and update policies. Update MS Office as soon as possible.
- Cisco's Talos Intelligence Group