What is CVE-2026-7774?

CVE-2026-7774 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. tarfile.data_filter path traversal bypass allows writing outside the extraction directory

Which CVE IDs does CVE-2026-7774 cover?

CVE-2026-7774 covers the following CVE IDs: CVE-2026-7774. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-7774?

CVE-2026-7774 affects 2 products, including: azl3 python3 3.12.9-11 on Azure Linux 3.0; azl3 python3 3.12.9-13 on Azure Linux 3.0.

CVE-2026-7774Medium

tarfile.data_filter path traversal bypass allows writing outside the extraction directory

Vendor

Microsoft Security Response Center (MSRC)

Published

June 9, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-7774 →

🎯 Affected products2

azl3 python3 3.12.9-11 on Azure Linux 3.0
azl3 python3 3.12.9-13 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 3.12.9-13

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-7774
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade