CVE-2026-50485: CWE-126: Buffer Over-read in Microsoft Windows 10 Version 1607
Buffer over-read in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network.
AI Analysis
Technical Summary
This vulnerability involves a buffer over-read (CWE-126) in the Windows Hyper-V component of Windows 10 Version 1607 (build 10.0.14393.0). An attacker with authorized access and high privileges can exploit this flaw to cause a denial of service condition affecting an adjacent network. The CVSS 3.1 base score is 4.5, reflecting medium severity with attack vector as adjacent network, low attack complexity, and no impact on confidentiality or integrity but high impact on availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
The vulnerability allows an authorized attacker with high privileges to cause a denial of service (availability impact) on an adjacent network via a buffer over-read in Windows Hyper-V. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Users of Windows 10 Version 1607 (build 10.0.14393.0) should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50485 to remediate this vulnerability.
CVE-2026-50485: CWE-126: Buffer Over-read in Microsoft Windows 10 Version 1607
Description
Buffer over-read in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network.
CVSS v3.1
Score 4.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a buffer over-read (CWE-126) in the Windows Hyper-V component of Windows 10 Version 1607 (build 10.0.14393.0). An attacker with authorized access and high privileges can exploit this flaw to cause a denial of service condition affecting an adjacent network. The CVSS 3.1 base score is 4.5, reflecting medium severity with attack vector as adjacent network, low attack complexity, and no impact on confidentiality or integrity but high impact on availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
The vulnerability allows an authorized attacker with high privileges to cause a denial of service (availability impact) on an adjacent network via a buffer over-read in Windows Hyper-V. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Users of Windows 10 Version 1607 (build 10.0.14393.0) should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50485 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:59:53.336Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50485","vendor":"Microsoft"}]
Threat ID: 6a5676a468715ace43f095f8
Added to database: 07/14/2026, 17:49:24 UTC
Last enriched: 08/13/2026, 15:02:44 UTC
Last updated: 08/28/2026, 19:39:44 UTC
Views: 80
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