Microsoft Teams 24046.2812.2722.8193 on macOS Library com.microsoft.teams2.modulehost.app signature verification

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Teams 24046.2812.2722.8193 on macOS. It has been classified as problematic. This affects an unknown function of the file com.microsoft.teams2.modulehost.app of the component Library Handler. The manipulation leads to signature verification. This vulnerability is listed as CVE-2024-41138. The attack must be carried out locally. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Microsoft Teams 24046.2812.2722.8193 on macOS and classified as problematic. This issue affects an unknown code block of the file com.microsoft.teams2.modulehost.app of the component Library Handler. The manipulation with an unknown input leads to a signature verification vulnerability. Using CWE to declare the problem leads to CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at talosintelligence.com. The identification of this vulnerability is CVE-2024-41138 since 08/05/2024. The exploitation is known to be easy. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 24124.1412.2911.3341 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 7.1
CNA Vector (talos): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Teams 24124.1412.2911.3341

Timelineinfo

08/05/2024 🔍
12/18/2024 +135 days 🔍
12/18/2024 +0 days 🔍
08/27/2025 +252 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: TALOS-2024-1991
Status: Confirmed

CVE: CVE-2024-41138 (🔍)
GCVE (CVE): GCVE-0-2024-41138
GCVE (VulDB): GCVE-100-288923

Entryinfo

Created: 12/18/2024 23:57
Updated: 08/27/2025 05:28
Changes: 12/18/2024 23:57 (67), 08/27/2025 05:28 (12)
Complete: 🔍
Cache ID: 216::103

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