# CVE-2026-118279: Windows Advanced Rasterization Platform heap buffer overflow

Source: https://junglewise.ai/threats/cve-2026-118279-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-2026-118279 · Severity: high · CVSS 8.8 · Published 2026-11-10

Windows Advanced Rasterization Platform contains a heap buffer overflow vulnerability that allows an authorized local user to execute arbitrary code with elevated privileges. An attacker with legitimate access to a Windows system could exploit this to gain system-level control and compromise the entire machine.

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-2026-118279 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-118279 being exploited in the wild.

**How severe is CVE-2026-118279?** 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-2026-118279?** 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-2026-118279 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-118279?** 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, exploitable by an authenticated local attacker to corrupt memory and escalate privileges. The vulnerability requires prior authorization on the target system and local network access. A successful exploit grants execution in kernel or system context.

## Affected products

- Microsoft Windows Advanced Rasterization Platform

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118279](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118279)

## 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-2026-118280-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)