# CVE-2026-118280: Windows Advanced Rasterization Platform heap buffer overflow

Source: https://junglewise.ai/threats/cve-2026-118280-heap-based-buffer-overflow-in-windows-advanced-rasterization  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-118280 · 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. An authenticated attacker with local access could exploit this flaw to escalate privileges and gain system-level control of the affected computer.

Technologies: [Microsoft Windows Advanced Rasterization Platform](https://junglewise.ai/threats/technologies/windows-advanced-rasterization-platform). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-118280 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-118280 being exploited in the wild.

**How severe is CVE-2026-118280?** 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-2026-118280?** 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-2026-118280 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-118280?** 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, triggered during graphics rendering operations. The vulnerability requires local network or physical access and valid user credentials to exploit, allowing an attacker to overwrite heap memory and execute arbitrary code in a privileged context.

## Affected products

- Microsoft Windows Advanced Rasterization Platform

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118280](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118280)

## Related threats

- [Windows Advanced Rasterization Platform type confusion privilege escalation](https://junglewise.ai/threats/cve-2026-95960-access-of-resource-using-incompatible-type-type-confusion-in)
- [Windows Advanced Rasterization Platform heap overflow privilege escalation](https://junglewise.ai/threats/cve-2026-94515-heap-based-buffer-overflow-in-windows-advanced-rasterization)
- [Windows Advanced Rasterization Platform stack buffer overflow](https://junglewise.ai/threats/cve-2026-118283-stack-based-buffer-overflow-in-windows-advanced-rasterization)
- [Windows Advanced Rasterization Platform heap buffer overflow](https://junglewise.ai/threats/cve-2026-118279-heap-based-buffer-overflow-in-windows-advanced-rasterization)
- [Windows Advanced Rasterization Platform out-of-bounds read](https://junglewise.ai/threats/cve-2026-118278-out-of-bounds-read-in-windows-advanced-rasterization-platform)