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 component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It enables an authorized local attacker with high privileges to bypass security features, potentially leading to a complete compromise of confidentiality and integrity. The vulnerability has been assigned a CVSS v3.1 score of 7.9, indicating high severity. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An authorized attacker with high privileges on the affected Windows 10 Version 1607 system can bypass security protections in the Windows Boot Manager. This can lead to a complete compromise of confidentiality and integrity of the system. There is no indication of impact on availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided by Microsoft for Windows 10 Version 1607 to remediate this vulnerability. Refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47656 for detailed patch information and deployment instructions.
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
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 component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It enables an authorized local attacker with high privileges to bypass security features, potentially leading to a complete compromise of confidentiality and integrity. The vulnerability has been assigned a CVSS v3.1 score of 7.9, indicating high severity. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An authorized attacker with high privileges on the affected Windows 10 Version 1607 system can bypass security protections in the Windows Boot Manager. This can lead to a complete compromise of confidentiality and integrity of the system. There is no indication of impact on availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided by Microsoft for Windows 10 Version 1607 to remediate this vulnerability. Refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47656 for detailed patch information and deployment instructions.
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: 6/9/2026, 5:27:14 PM
Last enriched: 6/9/2026, 5:55:37 PM
Last updated: 6/10/2026, 6:29:03 AM
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.