6.5
Medium
CVE-2026-23863 An attachment spoofing issue in WhatsApp for Windows prior to v2.3000.1032164386.258709 could have allowed maliciously…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| WhatsApp Desktop for Windows 2.3000 | earliest → < 2.3000.1032164386.258709 | 2.3000.1032164386.258709 |
Other CVEs of WhatsApp Desktop for Windows
The 4 CVEs of WhatsApp Desktop for Windows →
CVE-2025-30401
A spoofing issue in WhatsApp for Windows prior to version 2.2450.6 displayed attachments according to their MIME type…
6.7
Medium
CVE-2023-38538
A race condition in an event subsystem led to a heap use-after-free issue in established audio/video calls that could…
5.0
Medium
CVE-2023-38537
A race condition in a network transport subsystem led to a heap use-after-free issue in established or unsilenced…
5.6
Medium