CVE-2026-21986 is an easily exploitable vulnerability affecting Oracle VM VirtualBox versions 7.1.14 and 7.2.4, specifically impacting Windows virtual machines. An unauthenticated attacker with logon access to the infrastructure can cause a complete denial of service (frequent crashes or hangs) of the VirtualBox application. This vulnerability has a CVSS 3.1 Base Score of 7.1 (High) due to its local attack vector, low attack complexity, and high availability impact, with potential scope changes affecting additional products. Currently, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.1.14CPE matchmatch criteria | cpe:2.3:a:oracle:vm_virtualbox:7.1.14:*:*:*:*:*:*:* | ||
7.2.4CPE matchmatch criteria | cpe:2.3:a:oracle:vm_virtualbox:7.2.4:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.