CVE-2026-21219

High

Description

Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.

SeverityHigh
CVSS7.0
Exploit probability—
ProductMicrosoft Windows Software Development Kit
PublishedJan 13, 2026
First seenJan 13, 2026

How to fix

Update
  • microsoft windows_software_development_kit10.0.26100.7463 or later

Affected products

ProductAffected versionsFixed in
microsoft windows_software_development_kit10.0.26100 ≤ v < 10.0.26100.746310.0.26100.7463

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