# CVE-2026-97015: Windows BitLocker heap buffer overflow with physical attack

Source: https://junglewise.ai/threats/cve-2026-97015-heap-based-buffer-overflow-in-windows-bitlocker-allows-an  
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-2026-97015 · Severity: medium · CVSS 6.8 · Published 2026-11-10

Windows BitLocker is Microsoft's encryption feature that protects data on storage drives. A heap-based buffer overflow vulnerability allows an attacker with physical access to a device to bypass BitLocker's security protections and potentially access encrypted data. This primarily affects systems that may be left unattended or stolen.

Technologies: [Microsoft Windows](https://junglewise.ai/threats/technologies/windows). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-97015 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-97015 being exploited in the wild.

**How severe is CVE-2026-97015?** Medium severity, with a CVSS score of 6.8, published 10 November 2026.

**Which products and versions are affected?** Microsoft Windows.

**Is there a fix for CVE-2026-97015?** 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-2026-97015 attacked?** It is attacked with physical access, in an operating system.

**Am I affected by CVE-2026-97015?** Check whether you run Microsoft Windows. 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 BitLocker that can be triggered by a physical attack vector. The vulnerability allows an unauthorized attacker to bypass the BitLocker security feature. Exploitation requires physical device access.

## Affected products

- Microsoft Windows

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97015](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97015)

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