CVE-2026-35440 json
Microsoft Word Information Disclosure Vulnerability
published 5mo ago modified 14d ago also EUVD-2026-29638
- cvss
- 5.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 39%
- public exploits
- 0
- none known
Summary
Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Patch / fix
- Microsoft Microsoft Word 2016 16.0.5552.1000
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 5mo ago
Exploit prediction
0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.5 | 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 |
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
Affected products
- Microsoft Microsoft 365 Apps for Enterprise
- Microsoft Microsoft Office 2019
- Microsoft Microsoft Office LTSC 2021
- Microsoft Microsoft Office LTSC 2024
- Microsoft Microsoft Word 2016
Classification
- Weakness
-
- CWE-552 Files or Directories Accessible to External Parties
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-35440
vendor-advisory, patch
Sources
- CVE List CVE-2026-35440
- NVD CVE-2026-35440
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.