CVE-2026-50495: CWE-284: Improper Access Control in Microsoft Windows 10 Version 1809
CVE-2026-50495 is an improper access control vulnerability in Microsoft Windows 10 Version 1809 affecting the DNS component. It allows an authorized local attacker to perform tampering actions. The vulnerability has a medium severity with a CVSS score of 6.1. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability involves improper access control in the DNS functionality of Microsoft Windows 10 Version 1809 (build 10.0.17763.0). An attacker with local authorized privileges can exploit this flaw to tamper with DNS-related operations. The issue does not require user interaction and has a low attack complexity. The vulnerability impacts integrity and availability but not confidentiality. Microsoft has released an official patch to remediate this vulnerability.
Potential Impact
An authorized local attacker can tamper with DNS operations on affected Windows 10 Version 1809 systems, potentially impacting system integrity and availability. Confidentiality is not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50495 to remediate this vulnerability.
CVE-2026-50495: CWE-284: Improper Access Control in Microsoft Windows 10 Version 1809
Description
CVE-2026-50495 is an improper access control vulnerability in Microsoft Windows 10 Version 1809 affecting the DNS component. It allows an authorized local attacker to perform tampering actions. The vulnerability has a medium severity with a CVSS score of 6.1. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 6.1medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves improper access control in the DNS functionality of Microsoft Windows 10 Version 1809 (build 10.0.17763.0). An attacker with local authorized privileges can exploit this flaw to tamper with DNS-related operations. The issue does not require user interaction and has a low attack complexity. The vulnerability impacts integrity and availability but not confidentiality. Microsoft has released an official patch to remediate this vulnerability.
Potential Impact
An authorized local attacker can tamper with DNS operations on affected Windows 10 Version 1809 systems, potentially impacting system integrity and availability. Confidentiality is not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50495 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:59:53.337Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50495","vendor":"Microsoft"}]
Threat ID: 6a5676a668715ace43f09643
Added to database: 07/14/2026, 17:49:26 UTC
Last enriched: 07/14/2026, 23:03:50 UTC
Last updated: 07/15/2026, 03:47:20 UTC
Views: 5
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