CVE-2026-48576: CWE-1329 - Reliance on Component That is Not Updateable 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, identified as CVE-2026-48576 and classified under CWE-1329 (Reliance on Component That is Not Updateable), affects Windows 10 Version 1607 (build 10.0.14393.0). It involves a failure in the Windows Secure Boot protection mechanism that enables an attacker with local authorized access and high privileges to bypass security controls. The vulnerability does not require user interaction and impacts confidentiality and integrity with no impact on availability. Microsoft has published an official fix to remediate this issue.
Potential Impact
An authorized local attacker with high privileges can bypass the Windows Secure Boot security feature, potentially leading to compromise of system confidentiality and integrity. There is no known exploitation in the wild at this time. The vulnerability does not affect system availability.
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-2026-48576 to remediate this vulnerability.
CVE-2026-48576: CWE-1329 - Reliance on Component That is Not Updateable 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, identified as CVE-2026-48576 and classified under CWE-1329 (Reliance on Component That is Not Updateable), affects Windows 10 Version 1607 (build 10.0.14393.0). It involves a failure in the Windows Secure Boot protection mechanism that enables an attacker with local authorized access and high privileges to bypass security controls. The vulnerability does not require user interaction and impacts confidentiality and integrity with no impact on availability. Microsoft has published an official fix to remediate this issue.
Potential Impact
An authorized local attacker with high privileges can bypass the Windows Secure Boot security feature, potentially leading to compromise of system confidentiality and integrity. There is no known exploitation in the wild at this time. The vulnerability does not affect system availability.
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-2026-48576 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-21T20:00:35.246Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48576","vendor":"Microsoft"}]
Threat ID: 6a284d178dd33fbd85665a06
Added to database: 6/9/2026, 5:27:51 PM
Last enriched: 6/9/2026, 5:41:06 PM
Last updated: 6/10/2026, 5:02:43 AM
Views: 4
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