CVE-2026-42971: 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 Push Notifications allows an authorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability involves the exposure of sensitive information to an unauthorized actor through Windows Push Notifications in Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to disclose sensitive data. The CVSS 3.1 base score is 5.5 (medium severity), reflecting local attack vector, low complexity, required privileges, no user interaction, and high confidentiality impact. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An authorized local attacker can disclose sensitive information due to improper handling of Windows Push Notifications. The confidentiality of information is impacted, but integrity and availability are not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official patch is available from Microsoft to remediate this vulnerability. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42971 to mitigate the risk.
CVE-2026-42971: 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 Push Notifications allows an authorized attacker to disclose information locally.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves the exposure of sensitive information to an unauthorized actor through Windows Push Notifications in Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to disclose sensitive data. The CVSS 3.1 base score is 5.5 (medium severity), reflecting local attack vector, low complexity, required privileges, no user interaction, and high confidentiality impact. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An authorized local attacker can disclose sensitive information due to improper handling of Windows Push Notifications. The confidentiality of information is impacted, but integrity and availability are not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official patch is available from Microsoft to remediate this vulnerability. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42971 to mitigate the risk.
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-2026-42971","vendor":"Microsoft"}]
Threat ID: 6a284cc88dd33fbd856648cd
Added to database: 06/09/2026, 17:26:32 UTC
Last enriched: 07/29/2026, 21:49:04 UTC
Last updated: 07/31/2026, 20:40:39 UTC
Views: 65
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