CVE-2026-50680: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1809
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-50680 and classified under CWE-122, involves a heap-based buffer overflow in the Windows Hyper-V component of Windows 10 Version 1809 (build 10.0.17763.0). An authorized attacker with local access can exploit this flaw to elevate privileges, potentially gaining higher system rights. The vulnerability has a CVSS v3.1 base score of 8.2, indicating high severity with impacts on confidentiality, integrity, and availability. Microsoft has released an official fix for this issue, as documented in their security update guide.
Potential Impact
Successful exploitation allows a local attacker with authorization to elevate their privileges on the affected system, potentially leading to full system compromise. The vulnerability impacts confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1809 (build 10.0.17763.0) as soon as possible to remediate this vulnerability.
CVE-2026-50680: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1809
Description
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 8.2high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-50680 and classified under CWE-122, involves a heap-based buffer overflow in the Windows Hyper-V component of Windows 10 Version 1809 (build 10.0.17763.0). An authorized attacker with local access can exploit this flaw to elevate privileges, potentially gaining higher system rights. The vulnerability has a CVSS v3.1 base score of 8.2, indicating high severity with impacts on confidentiality, integrity, and availability. Microsoft has released an official fix for this issue, as documented in their security update guide.
Potential Impact
Successful exploitation allows a local attacker with authorization to elevate their privileges on the affected system, potentially leading to full system compromise. The vulnerability impacts confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1809 (build 10.0.17763.0) as soon as possible 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: 08/13/2026, 15:16:44 UTC
Last updated: 08/26/2026, 11:03:42 UTC
Views: 99
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