# CVE-2026-100215: Microsoft Graphics Component heap-based buffer overflow

Source: https://junglewise.ai/threats/cve-2026-100215-heap-based-buffer-overflow-in-microsoft-graphics-component  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-13. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-100215 · Severity: high · CVSS 7.8 · Published 2026-10-13

A heap-based buffer overflow in Microsoft's Graphics Component could allow a local attacker to execute arbitrary code with elevated privileges. This graphics processing vulnerability affects Windows systems and could lead to complete system compromise, data theft, or malware installation on affected machines.

Technologies: [Microsoft Graphics Component](https://junglewise.ai/threats/technologies/graphics-component). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-100215 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-100215 being exploited in the wild.

**How severe is CVE-2026-100215?** High severity, with a CVSS score of 7.8, published 13 October 2026.

**Which products and versions are affected?** Microsoft Graphics Component.

**Is there a fix for CVE-2026-100215?** 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-2026-100215 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-100215?** Check whether you run Microsoft Graphics Component. 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 in the Microsoft Graphics Component allows a local, unauthenticated attacker to achieve arbitrary code execution. The vulnerability requires local access but does not appear to require user interaction. Successful exploitation grants the attacker the ability to execute code in the context of the vulnerable process.

## Affected products

- Microsoft Graphics Component

## Timeline

- 2026-10-13: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-100215](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-100215)

## Related threats

- [Microsoft Graphics Component out-of-bounds read](https://junglewise.ai/threats/cve-2026-112754-out-of-bounds-read-in-microsoft-graphics-component-allows-an)
- [Microsoft Graphics Component stack buffer overflow](https://junglewise.ai/threats/cve-2026-85881-stack-based-buffer-overflow-in-microsoft-graphics-component)
- [Microsoft Graphics Component out-of-bounds read privilege elevation](https://junglewise.ai/threats/cve-2026-85338-out-of-bounds-read-in-microsoft-graphics-component-allows-an)
- [Microsoft Graphics Component numeric truncation privilege escalation](https://junglewise.ai/threats/cve-2026-70123-numeric-truncation-error-in-microsoft-graphics-component-allows)
- [Microsoft Graphics Component information disclosure](https://junglewise.ai/threats/cve-2026-105731-use-of-uninitialized-resource-in-microsoft-graphics-component)