CVE-2024-41159

Permission bypass via unsigned library injection

Published Dec 18, 2024 · Updated Dec 20, 2024

Library injection in Microsoft OneNote 16.83 for macOS allows local users to exercise the application's granted permissions. The hardened application loads frameworks through relative paths while the com.apple.security.cs.disable-library-validation entitlement permits unsigned dynamic libraries. A local malicious application must copy and launch OneNote from a controllable location; injected code then inherits previously granted access, including audio, files, and Outlook automation.

CVSS severity7.1
High
EPSS probability0.83%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Library injection in Microsoft OneNote 16.83 for macOS allows local users to exercise the application's granted permissions. The hardened application loads frameworks through relative paths while the com.apple.security.cs.disable-library-validation entitlement permits unsigned dynamic libraries. A local malicious application must copy and launch OneNote from a controllable location; injected code then inherits previously granted access, including audio, files, and Outlook automation.

The record

CVE
CVE-2024-41159
Published
Dec 18, 2024
Updated
Dec 20, 2024
Vendor
Microsoft
Product
Microsoft OneNote
Classifications
CWE-347, T1574.006
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 18, 2024CVE publishedPublication date reported by the CVE source.
  2. Dec 20, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=16.83 for macOS

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Microsoft · Microsoft OneNoteversion=16.83 for macOS

Published CVSS scores

7.1Cisco TalosCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-347Improper Verification of Cryptographic Signature
T1574.006Dynamic Linker Hijacking

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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