CVE-2026-23863

State
Published
Severity
6.5 Medium
Published
May 1, 2026
Updated
May 1, 2026
Reserved
Jan 16, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.16.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:F/RL:O/RC:CMeta

Weaknesses

  • CWE-158 Improper Neutralization of Null Byte or NUL Character

Affected Products

ProductVersions
WhatsApp Desktop for WindowsFacebook
  • 2.3000.*.252500 to before 2.3000.1032164386.258709Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.