CVE-2023-21563 BitLocker Security Feature Bypass Vulnerability
Attackers can bypass BitLocker security features on affected Windows operating systems, potentially exposing encrypted data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-21563?
CVE-2023-21563 is a medium-severity vulnerability in Microsoft Windows 10 1607, published on 10 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
BitLocker Security Feature Bypass Vulnerability
Which versions are affected by CVE-2023-21563?
It affects 15 products.
Products include Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 20h2, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 21h2 and 9 more.
How do I fix CVE-2023-21563?
No fix has been published for CVE-2023-21563 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-21563 being exploited?
There is no known exploitation of CVE-2023-21563 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Other vulnerabilities in Microsoft Windows 10 1607
- CVE-2026-33824 Microsoft Internet Key Exchange (IKE) Service Extensions Double Free
- CVE-2026-21510 Microsoft Windows Shell Protection Mechanism Failure
- CVE-2026-21513 Microsoft MSHTML Framework Protection Mechanism Failure
- CVE-2023-32049 Microsoft Windows Defender SmartScreen Security Feature Bypass
- CVE-2023-29360 Microsoft Streaming Service Untrusted Pointer Dereference
Sources
Also known as GHSA-83wp-2h8x-9c5g.