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TI-2025-21229 Aliases CVE-2025-29822GHSA-ffww-3j7j-g93q

Microsoft OneNote Security Feature Bypass Vulnerability

Priority LOW 38CWE-184Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00837 57th percentileScored 2026-11-07
Fix Fixed Microsoft: 1 update

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft 365 Apps for Enterprise16.0.1 to before https://aka.ms/OfficeSecurityReleaseshttps://aka.ms/OfficeSecurityReleasesPatch availableCNA
MicrosoftMicrosoft Office 201919.0.0 to before https://aka.ms/OfficeSecurityReleaseshttps://aka.ms/OfficeSecurityReleasesPatch availableCNA
MicrosoftMicrosoft Office LTSC 202116.0.1 to before https://aka.ms/OfficeSecurityReleaseshttps://aka.ms/OfficeSecurityReleasesPatch availableCNA
MicrosoftMicrosoft Office LTSC 202416.0.0 to before https://aka.ms/OfficeSecurityReleaseshttps://aka.ms/OfficeSecurityReleasesPatch availableCNA
MicrosoftMicrosoft Office LTSC for Mac 202116.0.1 to before 16.96.2504132616.96.25041326Patch availableCNA
MicrosoftMicrosoft Office LTSC for Mac 202416.0.0 to before 16.96.2504132616.96.25041326Patch availableCNA
MicrosoftMicrosoft OneNote1.0.0 to before 16.96.2503302816.96.25033028Patch availableCNA
MicrosoftMicrosoft OneNote 201616.0.0 to before 16.0.5495.100116.0.5495.1001Patch availableCNA
  • Microsoft 365 Apps for Enterprise VendorMicrosoft Affected 16.0.1 to before https://aka.ms/OfficeSecurityReleases Fixed in https://aka.ms/OfficeSecurityReleases Patch available CNA
  • Microsoft Office 2019 VendorMicrosoft Affected 19.0.0 to before https://aka.ms/OfficeSecurityReleases Fixed in https://aka.ms/OfficeSecurityReleases Patch available CNA
  • Microsoft Office LTSC 2021 VendorMicrosoft Affected 16.0.1 to before https://aka.ms/OfficeSecurityReleases Fixed in https://aka.ms/OfficeSecurityReleases Patch available CNA
  • Microsoft Office LTSC 2024 VendorMicrosoft Affected 16.0.0 to before https://aka.ms/OfficeSecurityReleases Fixed in https://aka.ms/OfficeSecurityReleases Patch available CNA
  • Microsoft Office LTSC for Mac 2021 VendorMicrosoft Affected 16.0.1 to before 16.96.25041326 Fixed in 16.96.25041326 Patch available CNA
  • Microsoft Office LTSC for Mac 2024 VendorMicrosoft Affected 16.0.0 to before 16.96.25041326 Fixed in 16.96.25041326 Patch available CNA
  • Microsoft OneNote VendorMicrosoft Affected 1.0.0 to before 16.96.25033028 Fixed in 16.96.25033028 Patch available CNA
  • Microsoft OneNote 2016 VendorMicrosoft Affected 16.0.0 to before 16.0.5495.1001 Fixed in 16.0.5495.1001 Patch available CNA

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:*2019VulnerableMicrosoft
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:*2019VulnerableMicrosoft
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:-:x64:*2021VulnerableMicrosoft
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:-:x86:*2021VulnerableMicrosoft
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:macos:*:*2021VulnerableMicrosoft
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:-:x64:*2024VulnerableMicrosoft
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:-:x86:*2024VulnerableMicrosoft
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:macos:*:*2024VulnerableMicrosoft
cpe:2.3:a:microsoft:onenote:-:*:*:*:*:macos:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:a:microsoft:onenote:2016:*:*:*:*:*:*:*2016VulnerableMicrosoft
  • cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:* Versions 2019 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:* Versions 2019 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:-:x64:* Versions 2021 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:-:x86:* Versions 2021 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:macos:*:* Versions 2021 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:-:x64:* Versions 2024 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:-:x86:* Versions 2024 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:macos:*:* Versions 2024 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:onenote:-:*:*:*:*:macos:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:onenote:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft

Remediation

Microsoft 1 update

  • Security Update
    • Microsoft OneNote 2016 (32-bit edition) 16.0.5495.1001
    • Microsoft OneNote 2016 (64-bit edition) 16.0.5495.1001

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Security Feature Bypass
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Microsoft 365 Apps for Enterprise for 32-bit SystemsFixed https · //aka.ms/OfficeSecurityReleases
Microsoft 365 Apps for Enterprise for 64-bit SystemsFixed https · //aka.ms/OfficeSecurityReleases
Microsoft Office 2019 for 32-bit editionsFixed https · //aka.ms/OfficeSecurityReleases
Microsoft Office 2019 for 64-bit editionsFixed https · //aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021 for 32-bit editionsFixed https · //aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021 for 64-bit editionsFixed https · //aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2024 for 32-bit editionsFixed https · //aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2024 for 64-bit editionsFixed https · //aka.ms/OfficeSecurityReleases
Microsoft Office LTSC for Mac 2021Fixed 16.96.25041326 · Security Update
Microsoft Office LTSC for Mac 2024Fixed 16.96.25041326 · Security Update
Microsoft OneNote for MacFixed 16.96.25033028 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-29822
  2. 2026-10-03 Alias added: GHSA-ffww-3j7j-g93q

References

  • TI-2023-09240 Microsoft Outlook Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-01013 A remote code execution vulnerability exists in Microsoft Excel software when the… KEVCVSS 3.1HIGH 8.8
  • TI-2019-00335 Command injection in Microsoft Office KEVCVSS 3.1HIGH 8.8
  • TI-2018-00739 Out-of-bounds write in Microsoft Equation Editor KEVCVSS 3.1HIGH 8.8
  • TI-2015-02130 Microsoft PowerPoint 2007 SP3, Word 2007 SP3, PowerPoint 2010 SP2, Word 2010 SP2… KEVCVSS 3.1HIGH 8.8
  • TI-2015-01588 Microsoft Office 2013 SP1 and 2013 RT SP1 allows remote attackers to execute arbitrary… KEVCVSS 3.1HIGH 8.8
See all 1024 →

Sources