VULNERABILITY INTELLIGENCE

CVE-2026-23863

CVSS score6.5 MEDIUM
EPSS probability0.53%
CISA KEVNot currently listed
Published2026-05-01
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

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.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-158

Primary references