CVE-2026-45595: CWE-693: Protection Mechanism Failure in Microsoft Windows 10 Version 1607
Protection mechanism failure in Windows Mark of the Web (MOTW) allows an unauthorized attacker to bypass a security feature over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-45595) affects Windows 10 Version 1607 (build 10.0.14393.0) and is classified as a protection mechanism failure (CWE-693) in the Mark of the Web (MOTW) feature. It enables an attacker without privileges to bypass a security control remotely, causing limited integrity and availability impacts. The CVSS 3.1 base score is 5.4 (medium severity) with attack vector network, low attack complexity, no privileges required, user interaction required, unchanged scope, no confidentiality impact, low integrity impact, low availability impact, and official remediation is available. Microsoft has published an official fix for this vulnerability.
Potential Impact
The vulnerability allows an unauthorized attacker to bypass a security feature remotely, which may result in limited integrity and availability impacts on the affected system. Confidentiality is not impacted. 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-2026-45595 to remediate this vulnerability.
CVE-2026-45595: CWE-693: Protection Mechanism Failure in Microsoft Windows 10 Version 1607
Description
Protection mechanism failure in Windows Mark of the Web (MOTW) allows an unauthorized attacker to bypass a security feature over a network.
CVSS v3.1
Score 5.4medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-45595) affects Windows 10 Version 1607 (build 10.0.14393.0) and is classified as a protection mechanism failure (CWE-693) in the Mark of the Web (MOTW) feature. It enables an attacker without privileges to bypass a security control remotely, causing limited integrity and availability impacts. The CVSS 3.1 base score is 5.4 (medium severity) with attack vector network, low attack complexity, no privileges required, user interaction required, unchanged scope, no confidentiality impact, low integrity impact, low availability impact, and official remediation is available. Microsoft has published an official fix for this vulnerability.
Potential Impact
The vulnerability allows an unauthorized attacker to bypass a security feature remotely, which may result in limited integrity and availability impacts on the affected system. Confidentiality is not impacted. 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-2026-45595 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T19:55:45.730Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45595","vendor":"Microsoft"}]
Threat ID: 6a284ce18dd33fbd85664e06
Added to database: 6/9/2026, 5:26:57 PM
Last enriched: 6/9/2026, 10:11:51 PM
Last updated: 6/10/2026, 6:58:59 AM
Views: 5
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