Microsoft
Microsoft Internet Messaging API Remote Code Execution Vulnerability
CVE-2026-83778 Oct 13, 2026 Source: Vendor
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83778
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CVE-2026-83778
BR2026-0003-024139
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Microsoft Internet Messaging API Remote Code Execution Vulnerability
Credited as Anonymous