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CVE-2026-23863

6.5 medium SSVC exploitation: none Analyzed
NVD · CVE.org

An attachment spoofing issue in WhatsApp for Windows prior to v2.3000.1032164386.258709 could have allowed maliciously formatted documents with embedded NUL bytes in the filename to be shown in the application as one type of file but run as an executable when opened. We have not seen evidence of exploitation in the wild.

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 6.5 · whatsappNVD modified 2026-10-26 22:10

Affected (CPE criteria) 1

  • cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:windows:*:*

References 2