Description
BitLocker Security Feature Bypass Vulnerability
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 – < 10.0.17763.5329, 10.0.0 – < 10.0.17763.5329 | 10.0.17763.5329 |
| Microsoft | Windows Server 2019 | 10.0.17763.0 – < 10.0.17763.5329 | 10.0.17763.5329 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 – < 10.0.17763.5329 | 10.0.17763.5329 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – < 10.0.20348.2227 | 10.0.20348.2227 |
| Microsoft | Windows 11 version 21H2 | 10.0.0 – < 10.0.22000.2713 | 10.0.22000.2713 |
| Microsoft | Windows 10 Version 21H2 | 10.0.19043.0 – < 10.0.19044.3930 | 10.0.19044.3930 |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 – < 10.0.22621.3007 | 10.0.22621.3007 |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 – < 10.0.19045.3930 | 10.0.19045.3930 |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 – < 10.0.22631.3007 | 10.0.22631.3007 |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 – < 10.0.22631.3007 | 10.0.22631.3007 |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 – < 10.0.25398.643 | 10.0.25398.643 |
| Microsoft | Windows 10 Version 1507 | 10.0.10240.0 – < 10.0.10240.20402 | 10.0.10240.20402 |
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 – < 10.0.14393.6614 | 10.0.14393.6614 |
| Microsoft | Windows Server 2016 | 10.0.14393.0 – < 10.0.14393.6614 | 10.0.14393.6614 |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 – < 10.0.14393.6614 | 10.0.14393.6614 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 3 repositories
-
nnotwen/Script-For-CVE-2024-20666 ★ 4 · Feb 15, 2024
PowerShell script that can help you automate updating the Windows Recovery Environment (WinRE) on deployed devices to address the security vulnerabilities in CVE-2024-20666.
-
tazxtazxedu/WinRE-Fix ★ 3 · Nov 28, 2025
PowerShell script to fix WinRE/Recovery partition issues - KB5034441, KB5028997, CVE-2024-20666 Windows Update failures
-
invaderslabs/CVE-2024-20666 ★ 1 · Jul 1, 2024
CVE-2024-20666 vulnerability Solution patch failures in the Windows Recovery Environment (WinRE).
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- WID-SEC-2024-0036 Microsoft Windows und Microsoft Windows Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 23, 2025
- MSRC-CVE-2024-20666 BitLocker Security Feature Bypass Vulnerability Microsoft Security Response Center · Jan 12, 2024
References
- BitLocker Security Feature Bypass Vulnerability vendor-advisory