SB2021110931 - Remote code execution in Microsoft Excel
Published: November 9, 2021
Security Bulletin ID
SB2021110931
Severity
Critical
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2021-42292)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper input validation when processing Excel files. A remote attacker can create a specially crafted Excel file, trick the victim into opening it and execute arbitrary code on the system.
Note, the vulnerability is being exploited in the wild.
Remediation
Install update from vendor's website.