CVE-2026-42970: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1607
CVE-2026-42970 is a vulnerability in Microsoft Windows 10 Version 1607 where the use of an uninitialized resource in Windows Push Notifications can allow an authorized local attacker to disclose sensitive information. The vulnerability has a medium severity rating and a CVSS score of 5. 5. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability involves the use of an uninitialized resource within the Windows Push Notifications component of Windows 10 Version 1607 (build 10.0.14393.0). It allows an attacker with authorized local access and low privileges to disclose sensitive information on the affected system. The vulnerability does not require user interaction and does not impact system integrity or availability. Microsoft has published an official fix for this issue.
Potential Impact
An authorized local attacker with low privileges can exploit this vulnerability to disclose sensitive information from the affected system. The confidentiality impact is high, but integrity and availability are not affected. 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-2026-42970 to remediate this vulnerability.
CVE-2026-42970: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1607
Description
CVE-2026-42970 is a vulnerability in Microsoft Windows 10 Version 1607 where the use of an uninitialized resource in Windows Push Notifications can allow an authorized local attacker to disclose sensitive information. The vulnerability has a medium severity rating and a CVSS score of 5. 5. An official fix is available from Microsoft.
CVSS v3.1
Score 5.5medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves the use of an uninitialized resource within the Windows Push Notifications component of Windows 10 Version 1607 (build 10.0.14393.0). It allows an attacker with authorized local access and low privileges to disclose sensitive information on the affected system. The vulnerability does not require user interaction and does not impact system integrity or availability. Microsoft has published an official fix for this issue.
Potential Impact
An authorized local attacker with low privileges can exploit this vulnerability to disclose sensitive information from the affected system. The confidentiality impact is high, but integrity and availability are not affected. 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-2026-42970 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-04-30T23:43:50.744Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42970","vendor":"Microsoft"}]
Threat ID: 6a284cc88dd33fbd856648ca
Added to database: 6/9/2026, 5:26:32 PM
Last enriched: 6/9/2026, 10:57:07 PM
Last updated: 6/10/2026, 6:25:32 AM
Views: 5
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