CRITICAL 9.4 Microsoft
CVE-2026-43870
Apache Thrift: Node.js web_server.js multi-vulnerability
Microsoft Security Update 2026-May: Apache Thrift: Node.js web_server.js multi-vulnerability
Affected Products
- cbl2 ceph 16.2.10-11 on CBL Mariner 2.0
- azl3 thrift 0.15.0-5 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43870
- https://nvd.nist.gov/vuln/detail/CVE-2026-43870
This critical severity vulnerability with a CVSS score of 9.4 was published on 2026-05-12 via Microsoft. Affected: cbl2 ceph 16.2.10-11 on CBL Mariner 2.0, azl3 thrift 0.15.0-5 on Azure Linux 3.0.
Risk Timeline
CVE Disclosed2026-05-12 · 174 days ago
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43870NVD / MITRE
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