CVE-2026-50680: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1809
CVE-2026-50680 is a heap-based buffer overflow vulnerability in Windows Hyper-V on Microsoft Windows 10 Version 1809. It allows an authorized local attacker to elevate privileges. The vulnerability has a high severity with a CVSS score of 8.2. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50680) is a heap-based buffer overflow in the Windows Hyper-V component of Microsoft Windows 10 Version 1809 (build 10.0.17763.0). It enables an attacker with local authorized access to escalate privileges, potentially gaining higher system rights. The vulnerability is classified under CWE-122. Microsoft has published an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this heap-based buffer overflow to elevate their privileges on the affected system. This could lead to full system compromise, including confidentiality, integrity, and availability impacts as indicated by the CVSS vector (C:H/I:H/A:H). 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-2026-50680 to remediate this vulnerability.
CVE-2026-50680: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1809
Description
CVE-2026-50680 is a heap-based buffer overflow vulnerability in Windows Hyper-V on Microsoft Windows 10 Version 1809. It allows an authorized local attacker to elevate privileges. The vulnerability has a high severity with a CVSS score of 8.2. An official fix is available from Microsoft.
CVSS v3.1
Score 8.2high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50680) is a heap-based buffer overflow in the Windows Hyper-V component of Microsoft Windows 10 Version 1809 (build 10.0.17763.0). It enables an attacker with local authorized access to escalate privileges, potentially gaining higher system rights. The vulnerability is classified under CWE-122. Microsoft has published an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this heap-based buffer overflow to elevate their privileges on the affected system. This could lead to full system compromise, including confidentiality, integrity, and availability impacts as indicated by the CVSS vector (C:H/I:H/A:H). 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-2026-50680 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-05T14:35:07.080Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50680","vendor":"Microsoft"}]
Threat ID: 6a5676aa68715ace43f0976d
Added to database: 07/14/2026, 17:49:30 UTC
Last enriched: 07/14/2026, 22:34:35 UTC
Last updated: 07/15/2026, 02:47:39 UTC
Views: 2
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