CVE-2026-45588: 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-2026-45588) affects Windows 10 Version 1607 (build 10.0.14393.0) and is classified as a protection mechanism failure (CWE-693) in the Windows Secure Boot process. It enables an authorized local attacker with high privileges to bypass security protections, impacting confidentiality and integrity without requiring user interaction. The vulnerability has a CVSS 3.1 base score of 7.9, indicating high severity. Microsoft has released an official fix for this issue 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 Secure Boot protections, potentially leading to compromise of system security features and unauthorized access to sensitive information or system components. The vulnerability does not impact availability and does not require user interaction to exploit.
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-2026-45588 to remediate this vulnerability.
CVE-2026-45588: 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
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-45588) affects Windows 10 Version 1607 (build 10.0.14393.0) and is classified as a protection mechanism failure (CWE-693) in the Windows Secure Boot process. It enables an authorized local attacker with high privileges to bypass security protections, impacting confidentiality and integrity without requiring user interaction. The vulnerability has a CVSS 3.1 base score of 7.9, indicating high severity. Microsoft has released an official fix for this issue 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 Secure Boot protections, potentially leading to compromise of system security features and unauthorized access to sensitive information or system components. The vulnerability does not impact availability and does not require user interaction to exploit.
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-2026-45588 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T19:55:45.729Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45588","vendor":"Microsoft"}]
Threat ID: 6a284ce18dd33fbd85664df7
Added to database: 06/09/2026, 17:26:57 UTC
Last enriched: 07/29/2026, 21:58:40 UTC
Last updated: 07/31/2026, 21:26:44 UTC
Views: 55
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