CVE-2026-50363: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
CVE-2026-50363 is a heap-based buffer overflow vulnerability in Windows Push Notifications on Microsoft Windows 10 Version 1607 (build 10.0.14393.0). This flaw allows an authorized local attacker to elevate privileges. The vulnerability has a high severity score of 7.8 and has been officially fixed by Microsoft.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50363) involves a heap-based buffer overflow in the Windows Push Notifications component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to elevate their privileges on the affected system. The issue is classified under CWE-122 (Heap-based Buffer Overflow). Microsoft has released an official fix to address this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow a local authorized attacker to gain elevated privileges, potentially leading to full system compromise. The CVSS v3.1 base score is 7.8, indicating high impact on confidentiality, integrity, and availability.
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-2026-50363 to remediate this vulnerability.
CVE-2026-50363: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
CVE-2026-50363 is a heap-based buffer overflow vulnerability in Windows Push Notifications on Microsoft Windows 10 Version 1607 (build 10.0.14393.0). This flaw allows an authorized local attacker to elevate privileges. The vulnerability has a high severity score of 7.8 and has been officially fixed by Microsoft.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50363) involves a heap-based buffer overflow in the Windows Push Notifications component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to elevate their privileges on the affected system. The issue is classified under CWE-122 (Heap-based Buffer Overflow). Microsoft has released an official fix to address this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow a local authorized attacker to gain elevated privileges, potentially leading to full system compromise. The CVSS v3.1 base score is 7.8, indicating high impact on confidentiality, integrity, and availability.
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-2026-50363 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:48:26.815Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50363","vendor":"Microsoft"}]
Threat ID: 6a56769468715ace43f08d66
Added to database: 07/14/2026, 17:49:08 UTC
Last enriched: 07/15/2026, 00:18:47 UTC
Last updated: 07/15/2026, 00:18:47 UTC
Views: 3
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