Microsoft advisory for CVE-2026-4739 — cbl2 cmake 3.21.4-23 on CBL Mariner 2.0
🔗 CVE IDs covered (1)
📋 Microsoft's advisory
EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-4739. This page also shows what EchelonGraph holds for CVE-2026-4739, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.
🎯 Affected products1
- cbl2 cmake 3.21.4-23 on CBL Mariner 2.0
🧭 EchelonGraph on CVE-2026-4739
- EchelonGraph score
- 9.4 CRITICAL
- CISA KEV
- Not listed
- Fix status
- An upstream fix is merged but not yet released — mitigate (WAF / firewall / segmentation) until the release ships, then apply it.
Description from the CVE record (CVE.org), as published by its numbering authority
Integer Overflow or Wraparound vulnerability in InsightSoftwareConsortium ITK (Modules/ThirdParty/Expat/src/expat modules).This issue affects ITK: before 2.7.1.
Published by GovTech CSG, the CVE Numbering Authority that assigned CVE-2026-4739, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).