CVE-2026-42972: 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 Hyper-V allows an authorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-42972) affects Windows 10 Version 1607, specifically the Windows Hyper-V component. It involves exposure of sensitive information to an unauthorized actor by an authorized local attacker. The attacker requires low privileges and no user interaction is needed to exploit this issue. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information). Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
An authorized local attacker can disclose sensitive information on a system running Windows 10 Version 1607 with Hyper-V. The confidentiality of data is impacted (high impact on confidentiality), 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-2026-42972 to remediate this vulnerability.
CVE-2026-42972: 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 Hyper-V 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 (CVE-2026-42972) affects Windows 10 Version 1607, specifically the Windows Hyper-V component. It involves exposure of sensitive information to an unauthorized actor by an authorized local attacker. The attacker requires low privileges and no user interaction is needed to exploit this issue. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information). Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
An authorized local attacker can disclose sensitive information on a system running Windows 10 Version 1607 with Hyper-V. The confidentiality of data is impacted (high impact on confidentiality), 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-2026-42972 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-2026-42972","vendor":"Microsoft"}]
Threat ID: 6a284cc88dd33fbd856648d0
Added to database: 06/09/2026, 17:26:32 UTC
Last enriched: 07/29/2026, 21:49:16 UTC
Last updated: 07/31/2026, 21:26:44 UTC
Views: 69
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