CVE-2026-50346: CWE-285: Improper Authorization in Microsoft Windows 10 Version 1607
CVE-2026-50346 is a high-severity vulnerability in Microsoft Windows 10 Version 1607 where improper authorization in the RPC Runtime component allows a locally authorized attacker to elevate privileges. This vulnerability has a CVSS score of 7.8 and has been officially fixed by Microsoft.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50346) involves improper authorization in the RPC Runtime of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to elevate their privileges on the affected system. The issue is classified under CWE-285 (Improper Authorization). Microsoft has published an official fix to address this vulnerability.
Potential Impact
Successful exploitation allows a locally authorized attacker to gain elevated privileges, potentially leading to full control over the affected system. The vulnerability impacts confidentiality, integrity, and availability, as indicated by the CVSS vector (C:H/I:H/A:H). There are no known exploits in the wild at the time of publication.
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-2026-50346 to remediate this vulnerability.
CVE-2026-50346: CWE-285: Improper Authorization in Microsoft Windows 10 Version 1607
Description
CVE-2026-50346 is a high-severity vulnerability in Microsoft Windows 10 Version 1607 where improper authorization in the RPC Runtime component allows a locally authorized attacker to elevate privileges. This vulnerability has a CVSS score of 7.8 and has been officially fixed by Microsoft.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50346) involves improper authorization in the RPC Runtime of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to elevate their privileges on the affected system. The issue is classified under CWE-285 (Improper Authorization). Microsoft has published an official fix to address this vulnerability.
Potential Impact
Successful exploitation allows a locally authorized attacker to gain elevated privileges, potentially leading to full control over the affected system. The vulnerability impacts confidentiality, integrity, and availability, as indicated by the CVSS vector (C:H/I:H/A:H). There are no known exploits in the wild at the time of publication.
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-2026-50346 to remediate this vulnerability.
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: 07/15/2026, 00:32:34 UTC
Last updated: 07/15/2026, 00:32:34 UTC
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.