Is CVE-2026-118222 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-118222 being exploited in the wild.

How severe is CVE-2026-118222?

High severity, with a CVSS score of 7.8, published 10 November 2026.

Is there a fix for CVE-2026-118222?

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-2026-118222 attacked?

It is attacked with local access, in an operating system.

Am I affected by CVE-2026-118222?

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.

CVE-2026-118222: Windows Advanced Rasterization Platform heap buffer overflow

CVE-2026-118222 · Severity: high · CVSS 7.8 · Published 2026-11-10

Windows Advanced Rasterization Platform, a core graphics component in Windows, contains a heap buffer overflow vulnerability that allows an authorized local user to elevate their privileges on the system. An attacker with legitimate user access could exploit this flaw to gain administrator-level control of an affected machine.

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

Quick answers

Is CVE-2026-118222 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-118222 being exploited in the wild.
How severe is CVE-2026-118222?: High severity, with a CVSS score of 7.8, published 10 November 2026.
Which products and versions are affected?: Microsoft Windows Advanced Rasterization Platform.
Is there a fix for CVE-2026-118222?: 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-2026-118222 attacked?: It is attacked with local access, in an operating system.
Am I affected by CVE-2026-118222?: 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 the Windows Advanced Rasterization Platform graphics subsystem. The vulnerability requires local access and prior authorization (authenticated user), and allows privilege escalation from a standard user account to system-level privileges through memory corruption.

Affected products

Microsoft Windows Advanced Rasterization Platform

Timeline

2026-11-10: disclosed

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118222

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