CVE-2025-29822

Home/CVE/Incomplete list of disallowed inputs in Microsoft Office OneNote allows an unauthorized attacker to bypass a security fe

CVE

Incomplete list of disallowed inputs in Microsoft Office OneNote allows an unauthorized attacker to bypass a security fe

Incomplete list of disallowed inputs in Microsoft Office OneNote allows an unauthorized attacker to bypass a security feature locally.

HIGH · CVSS 7.8 EPSS 0.00976

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules12 YARA rules0

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Weakness Classification

CWE-184Incomplete List of Disallowed Inputs

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Affected Products & Versions

microsoft officeall versions
microsoft office long term servicing channelall versions
microsoft onenoteall versions

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Sigma Hunt Rules

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.

producthighSuspicious Microsoft Office Child Process - MacOS

producthighCode Executed Via Office Add-in XLL File

producthighPotential Persistence Via Microsoft Office Add-In

producthighPotential Persistence Via Microsoft Office Startup Folder

producthighFile With Uncommon Extension Created By An Office Application

producthighOffice Macro File Creation From Suspicious Process

Show all 12 top matchesproducthighUncommon File Created In Office Startup Folder
producthighPotentially Suspicious Office Document Executed From Trusted Location
producthighSuspicious File Created Via OneNote Application
producthighSuspicious Microsoft OneNote Child Process
producthighOneNote.EXE Execution of Malicious Embedded Scripts
productmediumOneNote Attachment File Dropped In Suspicious Location

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Scoring & Timeline

7.8

HIGH · 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 NVD08 Apr 2025 · 06:16 PM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC triage · cisa-vulnrichment

Exploitation

none

Automatable

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.

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Vendor Advisories

msrcCVE-2025-29822Security Feature Bypass

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External lookups - second-class, for what we don’t hold ourselves

NVD CVE.org CISA Vulners Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

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Sigma rules
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Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1

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