# CVE-2026-73006: Microsoft Graphics Component stack-based buffer overflow

Source: https://junglewise.ai/threats/cve-2026-73006-microsoft-graphics-component-stack-based-buffer-overflow  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-08. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-73006 · Severity: high · CVSS 8.8 · Published 2026-09-08

Microsoft's Graphics Component contains a stack-based buffer overflow vulnerability that could allow an attacker to execute arbitrary code on affected systems over the network without requiring authentication. This poses a significant risk to organizations using Windows systems, as successful exploitation could lead to complete system compromise and unauthorized access to sensitive data.

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

## Quick answers

**Is CVE-2026-73006 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-73006 being exploited in the wild.

**How severe is CVE-2026-73006?** High severity, with a CVSS score of 8.8, published 8 September 2026.

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

**Is there a fix for CVE-2026-73006?** 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-2026-73006 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-73006?** Check whether you run Microsoft Graphics Component 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

The vulnerability is a stack-based buffer overflow in Microsoft's Graphics Component that can be triggered remotely without authentication. An attacker can craft malicious input that overflows a stack buffer, potentially overwriting return addresses or other critical stack data to achieve arbitrary code execution. The network-accessible nature of this component means exploitation is possible from a remote, unauthenticated attacker. No evidence of active exploitation in the wild has been reported. A patch is expected to be available through Microsoft's standard security update channels.

## Affected products

- Microsoft Graphics Component <UNKNOWN>

## Timeline

- 2026-09-08: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73006](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73006)

## 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)