CVE-2026-21219 is a use-after-free vulnerability in Inbox COM Objects within the Microsoft Windows Software Development Kit, allowing an unauthenticated attacker to execute code locally. With a CVSS score of 7.0 (HIGH), this vulnerability requires user interaction and high attack complexity, but can lead to high impact on confidentiality, integrity, and availability. While not currently listed in CISA's KEV catalog and lacking public exploit code, it has garnered significant community discussion and media coverage, indicating notable attention from security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 10.0.26100, < 10.0.26100.7463CPE matchmatch criteria | cpe:2.3:a:microsoft:windows_software_development_kit:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.0 Bluesky, 0.1 Mastodon, and 0.0 GitHub mentions.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.