CVE-2026-118227: Windows Advanced Rasterization Platform heap buffer overflow

CVE-2026-118227 · Severity: high · CVSS 8.8 · Published 2026-11-10

Windows Advanced Rasterization Platform, a core Windows graphics component, contains a heap buffer overflow vulnerability that allows an authenticated local user to execute arbitrary code with elevated privileges. An attacker who already has access to a Windows system could exploit this flaw to gain system-level control and compromise the entire machine.

Technologies: Microsoft Windows Advanced Rasterization Platform. Vendors: Microsoft.

Quick answers

Is CVE-2026-118227 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-118227 being exploited in the wild.
How severe is CVE-2026-118227?
High severity, with a CVSS score of 8.8, published 10 November 2026.
Which products and versions are affected?
Microsoft Windows Advanced Rasterization Platform.
Is there a fix for CVE-2026-118227?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-118227 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2026-118227?
Check whether you run Microsoft Windows Advanced Rasterization Platform. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A heap-based buffer overflow exists in Windows Advanced Rasterization Platform that enables privilege escalation. The vulnerability requires local access and prior authentication; remote exploitation is not possible. Successful exploitation allows an attacker to achieve local privilege escalation with system-level access.

Affected products

  • Microsoft Windows Advanced Rasterization Platform

Timeline

  • 2026-11-10: advisory

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.