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
Affected Vendors & Products
References
History
Fri, 01 May 2026 23:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | WhatsApp Windows Filename Spoofing Leading to Potential Execution of Malicious Payload |
Fri, 01 May 2026 18:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-158 | |
| Metrics |
ssvc
|
Fri, 01 May 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | 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 |
cvssV3_1
|
Fri, 01 May 2026 16:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| References |
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Status: PUBLISHED
Assigner: Meta
Published:
Updated: 2026-05-01T17:41:14.681Z
Reserved: 2026-01-16T19:49:26.308Z
Link: CVE-2026-23863
Updated: 2026-05-01T17:41:10.404Z
Status : Received
Published: 2026-05-01T16:16:29.843
Modified: 2026-05-01T18:16:14.073
Link: CVE-2026-23863
No data.
OpenCVE Enrichment
Updated: 2026-05-01T23:00:14Z