CVE-2026-50441: CWE-822: Untrusted Pointer Dereference in Microsoft Windows 10 Version 1607
Untrusted pointer dereference in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50441) involves an untrusted pointer dereference in the Windows Resilient File System (ReFS) component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local privileges and can lead to elevation of privileges, impacting confidentiality, integrity, and availability. The vulnerability is tracked as CWE-822. Microsoft has released an official fix to remediate this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges on the affected system. The impact includes potential full compromise of system confidentiality, integrity, and availability due to the high CVSS score (7.8) with high impact on all three security properties.
Mitigation Recommendations
An official fix from Microsoft is available and should be applied promptly. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50441 for patch details and deployment instructions.
CVE-2026-50441: CWE-822: Untrusted Pointer Dereference in Microsoft Windows 10 Version 1607
Description
Untrusted pointer dereference in Windows Resilient File System (ReFS) 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 (CVE-2026-50441) involves an untrusted pointer dereference in the Windows Resilient File System (ReFS) component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local privileges and can lead to elevation of privileges, impacting confidentiality, integrity, and availability. The vulnerability is tracked as CWE-822. Microsoft has released an official fix to remediate this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges on the affected system. The impact includes potential full compromise of system confidentiality, integrity, and availability due to the high CVSS score (7.8) with high impact on all three security properties.
Mitigation Recommendations
An official fix from Microsoft is available and should be applied promptly. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50441 for patch details and deployment instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:57:47.376Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50441","vendor":"Microsoft"}]
Threat ID: 6a56769f68715ace43f09476
Added to database: 07/14/2026, 17:49:19 UTC
Last enriched: 07/14/2026, 23:33:49 UTC
Last updated: 07/15/2026, 04:18:39 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.