CVE-2026-23863

MediumCVSS 6.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-158

Affected software

No affected versions have been published.

Timeline

Published: May 1, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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