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I. Basic Information for CVE-2026-23863
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
FacebookWhatsApp Desktop for Windows 2.3000.*.252500 ~ 2.3000.1032164386.258709 -
II. Public POCs for CVE-2026-23863
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III. Intelligence Information for CVE-2026-23863
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IV. Related Vulnerabilities
Same product: WhatsApp Desktop for Windows
Same vendor: Facebook
V. Comments for CVE-2026-23863

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