CVE-2026-21219

HIGH

Microsoft Windows SDK COM Objects - Use After Free

Title source: llm
STIX 2.1

Description

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

References (1)

Core 1
Core References

Scores

CVSS v3 7.0
EPSS 0.0013
EPSS Percentile 31.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-416
Status published
Products (2)
Microsoft/Windows SDK 26100 - 10.0.26100.7463
microsoft/windows_software_development_kit 10.0.26100 - 10.0.26100.7463
Published Jan 13, 2026
Tracked Since Feb 18, 2026