Quick answers
- Is CVE-2026-45655 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-45655 being exploited in the wild.
- How severe is CVE-2026-45655?
- Medium severity, with a CVSS score of 5.3, published 9 June 2026.
- Which products and versions are affected?
- Microsoft Windows BitLocker.
- Is there a fix for CVE-2026-45655?
- 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-2026-45655 attacked?
- It is attacked with physical access, in an operating system.
- Am I affected by CVE-2026-45655?
- Check whether you run Microsoft BitLocker. 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 protection mechanism failure (CWE-693) exists in Microsoft BitLocker. The vulnerability allows an attacker with physical access to the target hardware to bypass security features intended to restrict access to encrypted data. According to the CVSS vector, the attack requires no prior privileges or user interaction and has a high impact on data confidentiality. This is likely a bypass of the pre-boot authentication or the encryption key protection mechanism. Microsoft has released information regarding this vulnerability via their Security Update Guide.
Affected products
- Microsoft Windows BitLocker
Timeline
- 2026-06-09: disclosed
- 2026-06-09: advisory