Windows Advanced Rasterization Platform Elevation of Privilege Vulnerability
Integer size truncation in Windows Advanced Rasterization Platform (WARP) allows an unauthorized attacker to elevate privileges locally.
MSRC compact vulnerability detail
CVE-2026-26178 · Windows Advanced Rasterization Platform Elevation of Privilege Vulnerability
Integer size truncation in Windows Advanced Rasterization Platform (WARP) allows an unauthorized attacker to elevate privileges locally.
Signals
Windows Advanced Rasterization Platform
Elevation of Privilege
Exploited: No
Publicly disclosed: No
Exploitability: Exploitation Less Likely
CWE
Patch Diff
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Resolved binary override
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Description
Integer size truncation in Windows Advanced Rasterization Platform (WARP) allows an unauthorized attacker to elevate privileges locally.
FAQ / Articles
FAQ
What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
FAQ
How could an attacker exploit this vulnerability? An attacker could create malicious WebGL content that triggers an unsafe buffer copy inside D3D10Warp.dll(Direct3D 10 WARP (Windows Advanced Rasterization Platform)). When a user’s browser processes this content, the attacker‑controlled parameters can cause a buffer overflow in the Windows graphics component, potentially enabling elevated privileges on the system.
FAQ
According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? A user would need to visit a website or open content that uses WebGL features such as gl.texStorage3D or gl.texSubImage3D inside a Chromium‑based browser. No additional actions beyond loading this content are required.