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CVE-2026-23863

WhatsApp

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.

CVSS 6.5EPSS 0.528%Risk 0.68
View source
Published
2026-05-01 16:16:29
Affected versions
<v2.3000.1032164386.258709
Type
Installed app
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Operating systems
Windows