Intel

CVE-2026-50661

microsoft windows_10_1607: Protection Mechanism Failure

mediumEPSS 0.5%

Affected

  • microsoft/windows_10_1607 lt *..10.0.14393.9339
  • microsoft/windows_10_1607 lt *..10.0.14393.9339
  • microsoft/windows_10_1809 lt *..10.0.17763.9020
  • microsoft/windows_10_1809 lt *..10.0.17763.9020
  • microsoft/windows_10_21h2 lt *..10.0.19044.7548
  • microsoft/windows_10_21h2 lt *..10.0.19044.7548
  • microsoft/windows_10_21h2 lt *..10.0.19044.7548
  • microsoft/windows_10_22h2 lt *..10.0.19045.7548
  • microsoft/windows_10_22h2 lt *..10.0.19045.7548
  • microsoft/windows_10_22h2 lt *..10.0.19045.7548
  • microsoft/windows_11_24h2 lt *..10.0.26100.8875
  • microsoft/windows_11_24h2 lt *..10.0.26100.8875
  • microsoft/windows_11_25h2 lt *..10.0.26200.8875
  • microsoft/windows_11_25h2 lt *..10.0.26200.8875
  • microsoft/windows_11_26h1 lt *..10.0.28000.2525
  • microsoft/windows_11_26h1 lt *..10.0.28000.2525
  • microsoft/windows_server_2016 lt *..10.0.14393.9339
  • microsoft/windows_server_2019 lt *..10.0.17763.9020
  • microsoft/windows_server_2022 lt *..10.0.20348.5386
  • microsoft/windows_server_2025 lt *..10.0.26100.33158

Description

Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

Source: BSI WID PortalBSI CSAFcvelistv5NVD (NIST)CVE.org (MITRE)Microsoft Security Update Guide

Affected operating systems

  • windows

    microsoft / windows_10_1607

  • windows

    microsoft / windows_10_1809

  • windows

    microsoft / windows_10_21h2

  • windows

    microsoft / windows_10_22h2

  • windows

    microsoft / windows_11_24h2

  • windows

    microsoft / windows_11_25h2

  • windows

    microsoft / windows_11_26h1

  • windows

    microsoft / windows_server_2016

  • windows

    microsoft / windows_server_2019

  • windows

    microsoft / windows_server_2022

  • windows

    microsoft / windows_server_2025

Metrics

XIEM Effective CVSS
6.1
Source: nvd-v3
EPSS percentile
39.6 %
High — this CVE ranks above the median of all CVEs scored today (rank ≥ 36%).
KEV status
—
Show all metrics
Severity
medium
Priority score
65.23
Exploit maturity
no public PoC known
CVSS v3
6.1
EPSS score
0.5 %
Low — model estimates < 1% exploitation likelihood.
Published
2026-07-14 18:17 UTC
CWE
CWE-693

Weakness classes (CWE)

  • CWE-693Pillar

    Protection Mechanism Failure

    The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

    cwe.mitre.org →

References & sources

Reanalysis & status changes

Chronological NVD audit events for this CVE — reanalyses, CVSS updates, CPE diffs.

  1. Initial Analysis2026-07-22 15:21 UTC· nvd@nist.gov
    • CVSS V3.1: AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    • CPE Configuration: OR *cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.14393.9339 *cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.14393.9339 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.17763.9020 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.17763.9020 *cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.14393.9339 *cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.17763.9020 *cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.20348.5386 *cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.33158 *cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.28000.2525 *cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.28000.2525 *cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.26100.8875 *cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.26100.8875 *cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.19044.7548 *cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.19044.7548 *cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.19044.7548 *cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.19045.7548 *cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.19045.7548 *cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.19045.7548 *cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* versions up to (excluding) 10.0.26200.8875 *cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.26200.8875
    • Reference Type: Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50661 Types: Patch, Vendor Advisory

Linked advisories