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Microsoft CVE-2026-3087

| EUVD-2026-25922 MEDIUM
Path Traversal (CWE-22)
2026-04-27 cna@python.org
6.0
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

2
EUVD ID Assigned
Apr 27, 2026 - 21:22 euvd
EUVD-2026-25922
CVE Published
Apr 27, 2026 - 21:16 nvd
MEDIUM 6.0

DescriptionNVD

If shutil.unpack_archive() is given a ZIP archive with an absolute Windows path containing a drive (C:\\...) then the archive will be extracted outside the target directory which is different than other operating systems. Only Windows is affected by this vulnerability.

Analysis

If shutil.unpack_archive() is given a ZIP archive with an absolute Windows path containing a drive (C:\\...) then the archive will be extracted outside the target directory which is different than other operating systems. Only Windows is affected by this vulnerability.

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CVE-2026-3087 vulnerability details – vuln.today

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