Files or Directories Accessible to External Parties (CWE-552)
5.5
CVSS 3.1 · NVD
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Severity by source
NVD
PRIMARY
5.5
MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
ENISA EUVD
HIGH
qualitative
Primary rating from NVD.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Lifecycle Timeline
1
CVE Published
May 12, 2026 - 16:59 nvd
MEDIUM 5.5
DescriptionCVE.org
Files or directories accessible to external parties in Microsoft Teams allows an unauthorized attacker to perform spoofing locally.
Analysis
Files or directories accessible to external parties in Microsoft Teams allows an unauthorized attacker to perform spoofing locally.
Same technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).
EUVD-2026-29573
GHSA-cj9x-63fv-gcxg