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MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:F/RL:O/RC:C
Description
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.
Basic Information
ID
CVE-2026-23863
Source
Meta
Published
May 1, 2026 at 16:01
Modified
May 1, 2026 at 17:41
Affected Product
Vendor
Facebook
Product
WhatsApp Desktop for Windows
Version
2.3000.*.252500
Affected Versions
Facebook WhatsApp Desktop for Windows 2.3000.*.252500