CVE-2026-23863

6.5 Moyenne

Publiée le 01/05/2026 à 18:16 · Modifiée le 17/06/2026 à 12:22 · Analysée par le NVD · Source : cve-assign@fb.com

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.

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Produits concernés

Facebook WhatsApp Desktop for Windows
Whatsapp whatsapp

Scores CVSS

Version	Score	Source	Vecteur
3.1	6.5 Moyenne	cve-assign@fb.com	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N`

Faiblesses (CWE)

CWE-158

Références

https://www.facebook.com/security/advisories/cve-2026-23863 Third Party Advisory
https://www.whatsapp.com/security/advisories/2026 Vendor Advisory

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories