CVE-2026-23863 MEDIUM

CVE-2026-23863

Vendor Facebook
Product WhatsApp Desktop for Windows
Published May 1, 2026
Last update May 1, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 1, 2026 CVE published
May 1, 2026 Record updated