Microsoft Word Information Disclosure Vulnerability
Summary
| CVE | CVE-2026-35440 |
|---|---|
| State | PUBLISHED |
| Assigner | microsoft |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-12 18:17:14 UTC |
| Updated | 2026-05-12 18:17:14 UTC |
| Description | Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized attacker to disclose information locally. |
Risk And Classification
Primary CVSS: v3.1 5.5 MEDIUM from [email protected]
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Problem Types: CWE-552 | CWE-552 CWE-552: Files or Directories Accessible to External Parties
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 5.5 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| 3.1 | CNA | CVSS | 5.5 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
HighIntegrity
NoneAvailability
NoneCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| 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 2019 | affected 19.0.0 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 | 32-bit Systems, x64-based Systems |
| CNA | Microsoft | Microsoft Office LTSC 2024 | affected 16.0.0 https://aka.ms/OfficeSecurityReleases custom | 32-bit Systems, x64-based Systems |
| CNA | Microsoft | Microsoft Word 2016 | affected 16.0.1 16.0.5552.1000 custom | 32-bit Systems, x64-based Systems |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35440 | [email protected] | msrc.microsoft.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.