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Δ / VULNERABILITY RECORD

CVE-2026-31552.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSHIGH / 7.5No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Sep 24, 2026

Disclosure summary

wifi: wlcore: Return -ENOMEM instead of -EAGAIN if there is not enough headroom

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-Apr

Open original source · Updated Sep 24, 2026

wifi: wlcore: Return -ENOMEM instead of -EAGAIN if there is not enough headroom

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

Microsoft maximum product score: 7.5

VendorProduct / associationVersion / bounds
Microsoft update guidecbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 kernel 5.15.202.1-1 on CBL-Mariner 2.0 (MSRC status code 3)

Vendor remediation references

  • Release Notes · product IDs 21093-21692
  • Vendor guidance · product IDs 21093-21692

Original records & references

PUBLISHED 2026-04-28T21:02:32-04:00
MODIFIED 2026-09-24T22:36:37-04:00
INGESTED 2026-10-08T12:40:42-04:00