Home/CVE/A library injection vulnerability exists in the com.microsoft.teams2.modulehost.app helper app of Microsoft Teams (work
CVE

CVE-2024-41138

A library injection vulnerability exists in the com.microsoft.teams2.modulehost.app helper app of Microsoft Teams (work

A library injection vulnerability exists in the com.microsoft.teams2.modulehost.app helper app of Microsoft Teams (work or school) 24046.2813.2770.1094 for macOS. A specially crafted library can leverage Teams's access privileges, leading to a permission bypass. A malicious application could inject a library and start the program to trigger this vulnerability and then make use of the vulnerable application's permissions.

HIGH · CVSS 7.1 EPSS 0.00247
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules5 YARA rules0
⬡

Weakness Classification

CWE-347Improper Verification of Cryptographic Signature
▤

Affected Products & Versions

1
microsoft teamsall versions
⚠

Public Exploits & PoCs

2
poctalosintelligence.com · TALOS-2024-1991talosintelligence.com
pocwww.talosintelligence.com · TALOS-2024-1991www.talosintelligence.com
◈

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

7.1
HIGH · CVSS v3.1 · talos-cna@cisco.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 NVD18 Dec 2024 · 11:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
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