SB20260414128 - Untrusted Pointer Dereference in Microsoft Windows Virtualization-Based Security (VBS)
Published: April 14, 2026
Security Bulletin ID
SB20260414128
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Untrusted Pointer Dereference (CVE-ID: CVE-2026-23670)
CWE-ID: CWE-822 - Untrusted Pointer Dereference
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to compromise the target system.
The vulnerability exists due to untrusted pointer dereference in Windows Virtualization-Based Security (VBS). A local administrator can bypass a security feature on the system.
Remediation
Install update from vendor's website.