CVE-2026-21219
Inbox COM Objects (Global Memory) Remote Code Execution Vulnerability
- State
- Published
- Severity
- 7.0 High
- Published
- Jan 13, 2026
- Updated
- Jul 30, 2026
- Reserved
- Dec 11, 2025
Description
Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.0 High | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C | microsoft |
Weaknesses
- CWE-416 Use After Free
Affected Products
| Product | Versions |
|---|---|
Windows SDKMicrosoft |
|
References
- Inbox COM Objects (Global Memory) Remote Code Execution Vulnerabilityvendor-advisorypatch
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