Quick answers
- Is CVE-2026-69611 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-69611 being exploited in the wild.
- How severe is CVE-2026-69611?
- High severity, with a CVSS score of 7, published 8 September 2026.
- Which products and versions are affected?
- Microsoft Virtual Hard Disk Miniport Driver.
- Is there a fix for CVE-2026-69611?
- 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-2026-69611 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-2026-69611?
- Check whether you run Microsoft Virtual Hard Disk Miniport Driver. 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 use-after-free vulnerability exists in the Virtual Hard Disk (VHD) Miniport Driver, a kernel-mode component responsible for VHD device management. The vulnerability allows an authenticated local attacker to trigger memory access after it has been freed, enabling arbitrary code execution with kernel-level privileges. The attack requires local system access and valid credentials; remote exploitation is not possible. Successful exploitation grants the attacker privileges to execute arbitrary kernel-mode code and achieve complete system compromise. A patch is expected to be available through Microsoft's security update process.
Affected products
- Microsoft Virtual Hard Disk Miniport Driver
Timeline
- 2026-09-08: disclosed