SB2021012909 - Privilege escalation in win32kfull.sys driver in Microsoft Windows
Published: January 29, 2021
Security Bulletin ID
SB2021012909
Severity
Low
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: N/A)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a NULL pointer dereference error within the win32kfull.sys driver.. A local user can run a specially crafted program on the system, trigger a NULL pointer dereference error and execute arbitrary code with SYSTEM privileges.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.