What is CVE-2026-91135?

CVE-2026-91135 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Apache Thrift: C++ `THeaderTransport::transform()` heap buffer overflow (write direction)

Which CVE IDs does CVE-2026-91135 cover?

CVE-2026-91135 covers the following CVE IDs: CVE-2026-91135. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-91135?

CVE-2026-91135 affects 1 product, including: azl3 thrift 0.24.0-1 on Azure Linux 3.0.

CVE-2026-91135High

Apache Thrift: C++ `THeaderTransport::transform()` heap buffer overflow (write direction)

Vendor

Microsoft Security Response Center (MSRC)

Published

October 3, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-91135 →

🎯 Affected products1

azl3 thrift 0.24.0-1 on Azure Linux 3.0

✅ Remediation

KBRelease Notes (Security Update) — fixed build 0.25.0-1

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-91135
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade