Microsoft Word Security Feature Bypass Vulnerability

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Summary

CVECVE-2023-29335
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-05-09 18:15:13 UTC
Updated2026-05-19 18:38:59 UTC
DescriptionMicrosoft Word Security Feature Bypass Vulnerability

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

EPSS: 0.004940000 probability, percentile 0.658670000 (date 2026-05-26)

Problem Types: CWE-20 | NVD-CWE-noinfo | CWE-20 CWE-20: Improper Input Validation

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1CNACVSS7.5HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Microsoft 365 Apps - All All All
Application Microsoft Office 2019 All All All
Application Microsoft Office Long Term Servicing Channel 2021 All All All
Operating System Microsoft Windows 10 1507 All All All All
Operating System Microsoft Windows 10 1607 All All All All
Operating System Microsoft Windows 10 1809 All All All All
Operating System Microsoft Windows 10 20h2 All All All All
Operating System Microsoft Windows 10 21h2 All All All All
Operating System Microsoft Windows 10 22h2 All All All All
Operating System Microsoft Windows 11 21h2 All All All All
Operating System Microsoft Windows 11 22h2 All All All All
Operating System Microsoft Windows Server 2008 - sp2 All All
Operating System Microsoft Windows Server 2008 r2 sp1 All All
Operating System Microsoft Windows Server 2012 - All All All
Operating System Microsoft Windows Server 2012 r2 All All All
Operating System Microsoft Windows Server 2016 - All All All
Operating System Microsoft Windows Server 2022 - All All All
Application Microsoft Word 2013 All All All
Application Microsoft Word 2013 sp1 All All
Application Microsoft Word 2016 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Microsoft Microsoft Office 2019 affected 19.0.0 https://aka.ms/OfficeSecurityReleases custom 32-bit Systems, x64-based Systems
CNA Microsoft Microsoft 365 Apps For Enterprise affected 16.0.1 https://aka.ms/OfficeSecurityReleases custom 32-bit Systems, x64-based Systems
CNA Microsoft Microsoft Office LTSC 2021 affected 16.0.1 https://aka.ms/OfficeSecurityReleases custom x64-based Systems, 32-bit Systems
CNA Microsoft Microsoft Word 2016 affected 16.0.1 16.0.5395.1000 custom 32-bit Systems, x64-based Systems
CNA Microsoft Microsoft Word 2013 Service Pack 1 affected 15.0.1 15.0.5553.1000 custom ARM64-based Systems, 32-bit Systems
CNA Microsoft Microsoft Word 2013 Service Pack 1 affected 15.0.1 15.0.5553.1000 custom x64-based Systems

References

ReferenceSourceLinkTags
Security Update Guide - Microsoft Security Response Center af854a3a-2127-422b-91ae-364da2661108 msrc.microsoft.com Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 110435 Microsoft Office Security Update for May 2023
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