CVE-2026-50472: Windows LUA File Virtualization Filter Driver Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows LUAFV allows an authorized attacker to elevate privileges locally.
CSIRTS triage
- What
- Heap-based buffer overflow in the LUA File Virtualization Filter Driver enables local privilege escalation.
- Who is affected
- Windows systems where an authorized attacker has local access.
- Urgency
- High severity (CVSS 7.0) with no active exploitation; patch promptly to prevent post-compromise privilege escalation.
- Action
- Apply the latest Windows security patch addressing CVE-2026-50472.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch Windows
Get an email when a new Windows advisory drops — max one per day, one-click unsubscribe.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50472
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-504720.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-50472 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
More from Microsoft Security Response Center
- lowCVE-2026-14673: PostgreSQL amcheck does not clear untrusted search path2026-08-11
- criticalCVE-2026-69836: Microsoft Entra ID Remote Code Execution Vulnerability2026-08-11
- mediumCVE-2026-53792: rsync < 3.5.0 Out-of-Bounds Read via Zero-Length Checksum Block2026-08-11
- highCVE-2026-70347: Windows Installer Elevation of Privilege Vulnerability2026-08-11
- highCVE-2026-64909: Microsoft Office Remote Code Execution Vulnerability2026-08-11