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CVE-2026-40421

4.3 medium SSVC exploitation: none Modified
NVD · CVE.org

Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 4.3 · microsoftNVD modified 2026-10-26 18:10

Affected (CPE criteria) 10

  • cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
  • cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
  • cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:*
  • cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:*
  • cpe:2.3:a:microsoft:office:2024:*:*:*:ltsc:*:x64:*
  • cpe:2.3:a:microsoft:office:2024:*:*:*:ltsc:*:x86:*
  • cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x64:*
  • cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x86:*
  • cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:x64:*
  • cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:x86:*

References 1