HIGH 7.0 Microsoft

CVE-2026-21219

Inbox COM Objects (Global Memory) Remote Code Execution Vulnerability

Microsoft Security Update 2026-Jan: Inbox COM Objects (Global Memory) Remote Code Execution Vulnerability

Affected Products

Windows SDK

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21219
https://nvd.nist.gov/vuln/detail/CVE-2026-21219

Published: 2026-01-13 · Source: Microsoft · Feed updated: 2026-08-04

This high severity vulnerability with a CVSS score of 7.0 was published on 2026-01-13 via Microsoft. Affected: Windows SDK.

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