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CVE

CVE-2026-32185

Files or directories accessible to external parties in Microsoft Teams allows an unauthorized attacker to perform spoofi

Files or directories accessible to external parties in Microsoft Teams allows an unauthorized attacker to perform spoofing locally.

MEDIUM · CVSS 5.5 EPSS 0.00058
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules5 YARA rules0
⬡

Weakness Classification

CWE-552Files or Directories Accessible to External Parties
▤

Affected Products & Versions

1
microsoft teams< 1.0.0.2026092103
◈

Sigma Hunt Rules

5
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighMalicious DLL File Dropped in the Teams or OneDrive Folder
producthighSuspicious Teams Application Related ObjectAcess Event
productmediumMicrosoft Teams Sensitive File Access By Uncommon Applications
productmediumRenamed Microsoft Teams Execution
productmediumPotentially Suspicious Command Targeting Teams Sensitive Files
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 May 2026 · 06:16 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
msrcCVE-2026-32185Spoofing
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