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Δ / VULNERABILITY RECORD

CVE-2026-23230.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSHIGH / 8.4No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Feb 20, 2026

Disclosure summary

smb: client: split cached_fid bitfields to avoid shared-byte RMW races

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

Microsoft Security Updates (CVRF) · 2026-Feb

Open original source · Updated Feb 20, 2026

smb: client: split cached_fid bitfields to avoid shared-byte RMW races

Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.

Microsoft maximum product score: 8.4

VendorProduct / associationVersion / bounds
Microsoft update guideazl3 kernel 6.6.121.1-1 on Azure Linux 3.0 (MSRC status code 3)

Original records & references

PUBLISHED 2026-02-20T23:28:20-05:00
MODIFIED 2026-02-20T23:28:20-05:00
INGESTED 2026-10-08T12:45:18-04:00