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Δ / VULNERABILITY RECORD

CVE-2026-28387.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSHIGH / 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

Potential Use-after-free in DANE Client Code

Source-reported weakness categories

CWE-416

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

Potential Use-after-free in DANE Client Code

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

Microsoft maximum product score: 7

VendorProduct / associationVersion / bounds
Microsoft update guideazl3 openssl 3.3.5-5 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 edk2 20230301gitf80f052277c8-47 on CBL-Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 openssl 1.1.1k-39 on CBL-Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 openssl 3.3.5-4 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 edk2 20230301gitf80f052277c8-47 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 hvloader 1.0.1-18 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 openssl 1.1.1k-39 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 nodejs24 24.13.0-3 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 qemu 9.1.0-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 rust 1.75.0-27 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 rust 1.90.0-6 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 nodejs24 24.14.1-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 hvloader 1.0.1-18 on CBL-Mariner 2.0 (MSRC status code 3)

Vendor remediation references

  • CBL-Mariner Releases · build 3.3.7-2 · product IDs 21264-17084
  • Vendor guidance · product IDs 21264-17084
  • Release Notes · product IDs 21183-21692, 21184-21692
  • Vendor guidance · product IDs 21183-21692, 21184-21692
  • Release Notes · build 1.1.1k-40 · product IDs 21185-21692
  • Vendor guidance · product IDs 21185-21692
  • CBL-Mariner Releases · build 3.3.7-1 · product IDs 21168-17084
  • Vendor guidance · product IDs 21168-17084
  • CBL-Mariner Releases · build 1.1.1k-40 · product IDs 21185-17086
  • Vendor guidance · product IDs 21185-17086

Original records & references

PUBLISHED 2026-04-08T21:02:09-04:00
MODIFIED 2026-09-24T22:39:48-04:00
INGESTED 2026-10-08T12:40:42-04:00