MEDIUM 4.5 Microsoft

CVE-2026-22702

virtualenv Has TOCTOU Vulnerabilities in Directory Creation

Microsoft Security Update 2026-Jan: virtualenv Has TOCTOU Vulnerabilities in Directory Creation

Affected Products

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

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-22702
https://nvd.nist.gov/vuln/detail/CVE-2026-22702

Published: 2026-01-13 · Source: Microsoft · Feed updated: 2026-08-10

This medium severity vulnerability with a CVSS score of 4.5 was published on 2026-01-13 via Microsoft. Affected: cbl2 python-virtualenv 20.26.6-3 on CBL Mariner 2.0, cbl2 python-virtualenv 20.26.6-2 on CBL Mariner 2.0, azl3 python-virtualenv 20.25.0-3 on Azure Linux 3.0.

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