CVE-2026-23863

MEDIUM

6.5

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.

Details CVE

Score CVSS v3.16.5

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurREQUIRED

Publie5/1/2026

Derniere modification5/4/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-158

References

https://www.facebook.com/security/advisories/cve-2026-23863(cve-assign@fb.com)

https://www.whatsapp.com/security/advisories/2026(cve-assign@fb.com)

Correlations IOC

Aucune correlation enregistree

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