CVE-2026-48573: 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 (CVE-2026-48573) affects Windows 10 Version 1607 (build 10.0.14393.0) and involves a failure in the Secure Boot protection mechanism. Secure Boot is designed to prevent unauthorized code from running during the system start-up process. The flaw allows an authorized attacker with high privileges to bypass this security feature locally, potentially compromising system integrity. The vulnerability is classified under CWE-1329, which pertains to reliance on a component that cannot be updated, contributing to the protection mechanism failure. Microsoft has released an official fix to remediate this issue.
Potential Impact
An authorized local attacker with high privileges can bypass the Secure Boot security feature, potentially leading to compromise of system integrity and confidentiality. The vulnerability does not affect availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48573 to remediate this vulnerability.
CVE-2026-48573: 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 (CVE-2026-48573) affects Windows 10 Version 1607 (build 10.0.14393.0) and involves a failure in the Secure Boot protection mechanism. Secure Boot is designed to prevent unauthorized code from running during the system start-up process. The flaw allows an authorized attacker with high privileges to bypass this security feature locally, potentially compromising system integrity. The vulnerability is classified under CWE-1329, which pertains to reliance on a component that cannot be updated, contributing to the protection mechanism failure. Microsoft has released an official fix to remediate this issue.
Potential Impact
An authorized local attacker with high privileges can bypass the Secure Boot security feature, potentially leading to compromise of system integrity and confidentiality. The vulnerability does not affect availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48573 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-2026-48573","vendor":"Microsoft"}]
Threat ID: 6a284d178dd33fbd856659fd
Added to database: 6/9/2026, 5:27:51 PM
Last enriched: 6/9/2026, 5:41:39 PM
Last updated: 6/10/2026, 5:02:39 AM
Views: 4
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