SB2026041534 - Privilege escalation in Microsoft Windows Advanced Rasterization Platform
Published: April 15, 2026
Security Bulletin ID
SB2026041534
CSH Severity
High
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 vulnerability.
1) Incorrect Conversion between Numeric Types (CVE-ID: CVE-2026-26178)
CWE-ID: CWE-681 - Incorrect Conversion between Numeric Types
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to incorrect conversion between numeric types in Windows Advanced Rasterization Platform. A remote attacker can trick a victim to visit a website or open content that uses WebGL features and gain elevated privileges on the target system.
Remediation
Install update from vendor's website.