CVE-2026-47656: CWE-693: Protection Mechanism Failure in Microsoft Windows 10 Version 1607
Protection mechanism failure in Windows Boot Manager allows an authorized attacker to bypass a security feature locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-47656) involves a protection mechanism failure in the Windows Boot Manager on Windows 10 Version 1607 (build 10.0.14393.0). It enables an authorized local attacker with high privileges to bypass security protections, potentially leading to a complete compromise of confidentiality and integrity of the system. The vulnerability is classified under CWE-693 (Protection Mechanism Failure). Microsoft has released an official fix to remediate this issue.
Potential Impact
An authorized local attacker with high privileges can bypass security features in the Windows Boot Manager, which may result in full compromise of system confidentiality and integrity. Availability is not impacted. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47656 to remediate this vulnerability.
CVE-2026-47656: CWE-693: Protection Mechanism Failure in Microsoft Windows 10 Version 1607
Description
Protection mechanism failure in Windows Boot Manager allows an authorized attacker to bypass a security feature locally.
CVSS v3.1
Score 7.9high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-47656) involves a protection mechanism failure in the Windows Boot Manager on Windows 10 Version 1607 (build 10.0.14393.0). It enables an authorized local attacker with high privileges to bypass security protections, potentially leading to a complete compromise of confidentiality and integrity of the system. The vulnerability is classified under CWE-693 (Protection Mechanism Failure). Microsoft has released an official fix to remediate this issue.
Potential Impact
An authorized local attacker with high privileges can bypass security features in the Windows Boot Manager, which may result in full compromise of system confidentiality and integrity. Availability is not impacted. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47656 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-19T20:12:27.071Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47656","vendor":"Microsoft"}]
Threat ID: 6a284cf28dd33fbd8566508c
Added to database: 06/09/2026, 17:27:14 UTC
Last enriched: 07/29/2026, 22:07:36 UTC
Last updated: 07/31/2026, 21:26:45 UTC
Views: 63
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