What is CVE-2026-34743?

CVE-2026-34743 is a security advisory published by Microsoft Security Response Center (MSRC) with Low severity. XZ Utils: Buffer overflow in lzma_index_append()

Which CVE IDs does CVE-2026-34743 cover?

CVE-2026-34743 covers the following CVE IDs: CVE-2026-34743. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2026-34743Low

XZ Utils: Buffer overflow in lzma_index_append()

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-34743 →