SB2026063055 - Code execution in NEC Corporation ExpressUpdate Agent for Windows
Published: June 30, 2026
Security Bulletin ID
SB2026063055
CSH Severity
Low
Patch available
YES
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 vulnerability.
1) Exposed IOCTL with Insufficient Access Control (CVE-ID: CVE-2026-8797)
CWE-ID: CWE-782 - Exposed IOCTL with Insufficient Access Control
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to insufficient access control in the IOCTL. A local user can execute arbitrary code with SYSTEM privilege.
Remediation
Install update from vendor's website.