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

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. 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

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