CVE-2026-118278: Windows Advanced Rasterization Platform out-of-bounds read

CVE-2026-118278 · Severity: high · CVSS 8.8 · Published 2026-11-10

Windows Advanced Rasterization Platform, a core Windows graphics component, contains an out-of-bounds read vulnerability that allows a local attacker with user account access to elevate their privileges to system level. An attacker exploiting this could gain administrative control over the affected computer.

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

Quick answers

Is CVE-2026-118278 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-118278 being exploited in the wild.
How severe is CVE-2026-118278?
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-2026-118278?
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-2026-118278 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2026-118278?
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

An out-of-bounds read vulnerability exists in the Windows Advanced Rasterization Platform that can be triggered by a local authorized user. The vulnerability allows privilege escalation from user to system level. The attack requires local access and an existing user account on the system.

Affected products

  • Microsoft Windows Advanced Rasterization Platform

Timeline

  • 2026-11-10: disclosed

References

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