CVE-2026-50346: CWE-285: Improper Authorization in Microsoft Windows 10 Version 1607
Improper authorization in RPC Runtime allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability, tracked as CVE-2026-50346, is categorized under CWE-285 (Improper Authorization). It affects Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The flaw exists in the RPC Runtime, where improper authorization checks allow a local attacker with some level of authorization to elevate their privileges. The CVSS v3.1 base score is 7.8, indicating high severity, with attack vector local, low attack complexity, and no user interaction required. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges on the affected system, potentially gaining full control or executing actions beyond their original permissions. This could lead to compromise of confidentiality, integrity, and availability of the system.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as soon as possible to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-50346: CWE-285: Improper Authorization in Microsoft Windows 10 Version 1607
Description
Improper authorization in RPC Runtime allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, tracked as CVE-2026-50346, is categorized under CWE-285 (Improper Authorization). It affects Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The flaw exists in the RPC Runtime, where improper authorization checks allow a local attacker with some level of authorization to elevate their privileges. The CVSS v3.1 base score is 7.8, indicating high severity, with attack vector local, low attack complexity, and no user interaction required. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges on the affected system, potentially gaining full control or executing actions beyond their original permissions. This could lead to compromise of confidentiality, integrity, and availability of the system.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as soon as possible to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:15:10.953Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50346","vendor":"Microsoft"}]
Threat ID: 6a56769368715ace43f08d09
Added to database: 07/14/2026, 17:49:07 UTC
Last enriched: 08/14/2026, 15:09:43 UTC
Last updated: 08/26/2026, 00:47:37 UTC
Views: 63
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