CVE-2026-96909
CriticalCVSS 9.8Summary
A heap-based buffer overflow in Windows BitLocker allows an unauthorized attacker to execute code over a network. The vulnerability stems from improper memory handling during data processing.
Risk Assessment
An attacker could remotely execute arbitrary code in the context of the BitLocker service, potentially leading to full system compromise and access to encrypted data.
Recommendation
Apply the available Microsoft security updates for Windows BitLocker as soon as possible and restrict network access to the service.
Other vulnerabilities in Windows BitLocker
See all- CVE-2026-50507Medium
Missing authentication for a critical function in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
- CVE-2026-69458High
Out-of-bounds read in Windows BitLocker allows an authorized attacker to elevate privileges over a network.
- CVE-2026-69449Medium
A heap-based buffer overflow in Windows BitLocker allows an authorized attacker to execute code locally.
- CVE-2026-50661Medium
A protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
- CVE-2026-45658High
Improper access control in Windows BitLocker allows an authorized attacker to bypass a security feature locally.
- CVE-2026-45655Medium
Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
- CVE-2021-38632Medium
A vulnerability in Windows BitLocker allows a security feature bypass. An attacker could exploit this flaw to bypass protection mechanisms.
Original NVD description (English source)
Heap-based buffer overflow in Windows BitLocker allows an unauthorized attacker to execute code over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS