CVE-2026-45594: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1607
Exposure of sensitive information to an unauthorized actor in Windows Application Identity (AppID) Subsystem allows an authorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-45594) involves the exposure of sensitive information to an unauthorized actor within the Windows Application Identity (AppID) Subsystem on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to disclose sensitive information. The CVSS 3.1 base score is 5.5 (medium severity), reflecting local attack vector, low complexity, low privileges required, no user interaction, and high confidentiality impact. Microsoft has released an official fix for this vulnerability.
Potential Impact
An authorized local attacker can disclose sensitive information due to this vulnerability. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45594.
CVE-2026-45594: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1607
Description
Exposure of sensitive information to an unauthorized actor in Windows Application Identity (AppID) Subsystem allows an authorized attacker to disclose information locally.
CVSS v3.1
Score 5.5medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-45594) involves the exposure of sensitive information to an unauthorized actor within the Windows Application Identity (AppID) Subsystem on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to disclose sensitive information. The CVSS 3.1 base score is 5.5 (medium severity), reflecting local attack vector, low complexity, low privileges required, no user interaction, and high confidentiality impact. Microsoft has released an official fix for this vulnerability.
Potential Impact
An authorized local attacker can disclose sensitive information due to this vulnerability. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45594.
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-2026-45594","vendor":"Microsoft"}]
Threat ID: 6a284ce18dd33fbd85664e03
Added to database: 6/9/2026, 5:26:57 PM
Last enriched: 6/9/2026, 10:11:57 PM
Last updated: 6/10/2026, 5:05:16 AM
Views: 2
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