CVE-2026-50428: Windows Container Isolation FS Filter Driver (unionfs.sys) Information Disclosure Vulnerability
Microsoft · Windows 11 version 26H1
Vendor fix available · Affected: Microsoft Windows 11 version 26H1 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 35% of scored CVEs
DescriptionCVE.org
Out-of-bounds read in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Microsoft · Windows 11 version 26H1from 10.0.28000.0 before 10.0.28000.2525
On the Atlas
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CoverageNo articles yet
No CyberSIXT article names CVE-2026-50428 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.