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Δ / VULNERABILITY RECORD

CVE-2025-9230.

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 Feb 20, 2026

Disclosure summary

Out-of-bounds read & write in RFC 3211 KEK Unwrap

Source-reported weakness categories

CWE-125

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) · 2025-Sep

Open original source · Updated Feb 20, 2026

Out-of-bounds read & write in RFC 3211 KEK Unwrap

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 guideazl3 openssl 3.3.3-3 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 edk2 20240524git3e722403cd16-9 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 rust 1.75.0-22 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 rust 1.90.0-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 openssl 1.1.1k-36 on CBL Mariner 2.0 (MSRC status code 3)

Vendor remediation references

  • CBL-Mariner Releases · build 3.3.5-1 · product IDs 20467-17084
  • Vendor guidance · product IDs 20467-17084
  • CBL-Mariner Releases · build 20240524git3e722403cd16-10 · product IDs 20128-17084
  • Vendor guidance · product IDs 20128-17084

Original records & references

PUBLISHED 2025-10-01T21:05:57-04:00
MODIFIED 2026-02-20T22:34:48-05:00
INGESTED 2026-10-08T12:45:41-04:00