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Δ / VULNERABILITY RECORD

CVE-2026-4647.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 6.1No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Sep 27, 2026

Disclosure summary

Binutils: out-of-bounds read in xcoff relocation processing in gnu binutils bfd library

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) · 2026-Mar

Open original source · Updated Sep 27, 2026

Binutils: out-of-bounds read in xcoff relocation processing in gnu binutils bfd library

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

Microsoft maximum product score: 6.1

VendorProduct / associationVersion / bounds
Microsoft update guidecbl2 binutils 2.37-20 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 crash 8.0.1-5 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 binutils 2.41-10 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 gdb 11.2-10 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 crash 9.0.0-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 gdb 13.2-6 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 crash 9.0.0-2 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 binutils 2.37-20 on CBL-Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 crash 8.0.1-5 on CBL-Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 gdb 11.2-10 on CBL-Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 binutils 2.41-11 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 gdb 13.2-7 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 binutils 2.37-20 (MSRC status code 3)

Vendor remediation references

  • CBL-Mariner Releases · build 2.41-11 · product IDs 20618-17084, 21200-17084
  • Vendor guidance · product IDs 20618-17084, 21200-17084
  • CBL-Mariner Releases · build 9.0.0-2 · product IDs 20787-17084, 21253-17084
  • Vendor guidance · product IDs 20787-17084, 21253-17084
  • CBL-Mariner Releases · build 13.2-7 · product IDs 20569-17084, 21201-17084
  • Vendor guidance · product IDs 20569-17084, 21201-17084
  • Release Notes · product IDs 20936-21692
  • Vendor guidance · product IDs 20936-21692
  • Vendor guidance · product IDs 20600-21692, 20598-21692
  • Vendor guidance · product IDs 20600-21692, 20598-21692

Original records & references

PUBLISHED 2026-03-26T21:03:50-04:00
MODIFIED 2026-09-27T22:55:37-04:00
INGESTED 2026-10-08T12:45:09-04:00