CVE Explorer
CVE-2026-50428
Out-of-bounds read in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 version 26H1","vendor":"Microsoft","versions":[{"lessThan":"10.0.28000.2525","status":"affected","version":"10.0.28000.0","versionType":"custom"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:9b74714eddf2ce340db68c8a3daab80563fae7320bbcc42b56fc02673b9d1b82 · sha256:435d8776acb42550… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:9b74714eddf2ce340db68c8a3daab80563fae7320bbcc42b56fc02673b9d1b82 · sha256:435d8776acb42550… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-125","description":"CWE-125: Out-of-bounds Read","lang":"en-US","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:9b74714eddf2ce340db68c8a3daab80563fae7320bbcc42b56fc02673b9d1b82 · sha256:435d8776acb42550… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"Windows Container Isolation FS Filter Driver (unionfs.sys) Information Disclosure Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50428"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9b74714eddf2ce340db68c8a3daab80563fae7320bbcc42b56fc02673b9d1b82 · sha256:435d8776acb42550… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.