What is CVE-2026-55893?

CVE-2026-55893 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Capstone SH disassembler `set_reg_n` heap buffer overflow via crafted SH2A FPU bytecode

Which CVE IDs does CVE-2026-55893 cover?

CVE-2026-55893 covers the following CVE IDs: CVE-2026-55893. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-55893?

CVE-2026-55893 affects 1 product, including: azl3 rust 1.75.0-30 on Azure Linux 3.0.

CVE-2026-55893High

Capstone SH disassembler `set_reg_n` heap buffer overflow via crafted SH2A FPU bytecode

Vendor

Microsoft Security Response Center (MSRC)

Published

August 25, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-55893 →

🎯 Affected products1

azl3 rust 1.75.0-30 on Azure Linux 3.0

🔗 References (1)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55893