# CVE-2026-105023: Microsoft Windows Advanced Rasterization Platform heap overflow

Source: https://junglewise.ai/threats/cve-2026-105023-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-2026-105023 · Severity: high · CVSS 8.8 · Published 2026-11-10

Windows Advanced Rasterization Platform, a graphics processing component in Windows, contains a heap-based buffer overflow vulnerability. An attacker with local system access and appropriate authorization can exploit this flaw to elevate their privileges and gain complete control of the affected system.

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-2026-105023 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-105023 being exploited in the wild.

**How severe is CVE-2026-105023?** High severity, with a CVSS score of 8.8, published 10 November 2026.

**Which products and versions are affected?** Microsoft Windows Advanced Rasterization Platform <UNKNOWN>.

**Is there a fix for CVE-2026-105023?** 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-2026-105023 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-105023?** Check whether you run Microsoft Windows Advanced Rasterization Platform at an affected version. 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 authorized local attacker to achieve privilege escalation. The vulnerability requires local access and valid user credentials or system authorization to trigger. Successful exploitation allows arbitrary code execution with elevated privileges.

## Affected products

- Microsoft Windows Advanced Rasterization Platform <UNKNOWN>

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105023](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105023)

## 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 heap buffer overflow](https://junglewise.ai/threats/cve-2026-118279-heap-based-buffer-overflow-in-windows-advanced-rasterization)