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Δ / VULNERABILITY RECORD

CVE-2026-3184.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSLOW / 3.7No 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

Util-linux: util-linux: access control bypass due to improper hostname canonicalization

Source-reported weakness categories

CWE-289

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

Util-linux: util-linux: access control bypass due to improper hostname canonicalization

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

Microsoft maximum product score: 3.7

VendorProduct / associationVersion / bounds
Microsoft update guidecbl2 util-linux 2.37.4-10 on CBL-Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 util-linux 2.37.4-10 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 util-linux 2.40.2-3 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 util-linux 2.40.2-4 on Azure Linux 3.0 (MSRC status code 3)

Vendor remediation references

  • Release Notes · build 2.37.4-11 · product IDs 20786-21692
  • Vendor guidance · product IDs 20786-21692
  • CBL-Mariner Releases · build 2.37.4-11 · product IDs 20786-17086
  • Vendor guidance · product IDs 20786-17086
  • CBL-Mariner Releases · build 2.40.2-4 · product IDs 20804-17084, 21213-17084
  • Vendor guidance · product IDs 20804-17084, 21213-17084

Original records & references

PUBLISHED 2026-04-06T21:02:25-04:00
MODIFIED 2026-09-24T22:31:34-04:00
INGESTED 2026-10-08T12:45:03-04:00