What is CVE-2026-22702?

CVE-2026-22702 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. virtualenv Has TOCTOU Vulnerabilities in Directory Creation

Which CVE IDs does CVE-2026-22702 cover?

CVE-2026-22702 covers the following CVE IDs: CVE-2026-22702. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-22702?

CVE-2026-22702 has a CVSS v3 base score of 4.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-22702?

CVE-2026-22702 affects 4 products, including: azl3 python-virtualenv 20.25.0-3 on Azure Linux 3.0; cbl2 python-virtualenv 20.26.6-2 on CBL Mariner 2.0; cbl2 python-virtualenv 20.26.6-3 on CBL Mariner 2.0; cbl2 python-virtualenv 20.26.6-3 on CBL-Mariner 2.0.

CVE-2026-22702MediumCVSS 4.5

virtualenv Has TOCTOU Vulnerabilities in Directory Creation

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-22702 →

🎯 Affected products4

azl3 python-virtualenv 20.25.0-3 on Azure Linux 3.0
cbl2 python-virtualenv 20.26.6-2 on CBL Mariner 2.0
cbl2 python-virtualenv 20.26.6-3 on CBL Mariner 2.0
cbl2 python-virtualenv 20.26.6-3 on CBL-Mariner 2.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 20.36.1-1 KBRelease Notes (Security Update) — fixed build 20.36.1-1

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-22702
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade