CVE-2026-48570: CWE-693: Protection Mechanism Failure in Microsoft Windows 10 Version 1607
Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-48570) affects Windows 10 Version 1607 (build 10.0.14393.0) and is classified under CWE-693 (Protection Mechanism Failure). It involves a failure in the Windows Secure Boot mechanism that enables an authorized attacker with high privileges to bypass security protections locally. The CVSS 3.1 base score is 7.9, reflecting high impact on confidentiality and integrity without affecting availability. Microsoft has published an official fix to address this issue.
Potential Impact
An authorized local attacker with high privileges can bypass Windows Secure Boot protections, potentially leading to unauthorized access or modification of protected system components. The vulnerability impacts system confidentiality and integrity but does not affect availability. There are no known exploits 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-2026-48570 to remediate this vulnerability.
CVE-2026-48570: CWE-693: Protection Mechanism Failure in Microsoft Windows 10 Version 1607
Description
Protection mechanism failure in Windows Secure Boot 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-2026-48570) affects Windows 10 Version 1607 (build 10.0.14393.0) and is classified under CWE-693 (Protection Mechanism Failure). It involves a failure in the Windows Secure Boot mechanism that enables an authorized attacker with high privileges to bypass security protections locally. The CVSS 3.1 base score is 7.9, reflecting high impact on confidentiality and integrity without affecting availability. Microsoft has published an official fix to address this issue.
Potential Impact
An authorized local attacker with high privileges can bypass Windows Secure Boot protections, potentially leading to unauthorized access or modification of protected system components. The vulnerability impacts system confidentiality and integrity but does not affect availability. There are no known exploits 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-2026-48570 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-21T20:00:35.245Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48570","vendor":"Microsoft"}]
Threat ID: 6a284d0f8dd33fbd856658ad
Added to database: 6/9/2026, 5:27:43 PM
Last enriched: 6/9/2026, 5:41:43 PM
Last updated: 6/10/2026, 5:05:21 AM
Views: 5
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