Detections
Analytics

CVE-2026-77178

critical

Description

Oracle VM VirtualBox before 7.2.8 allows guest OS users to cause an out-of-bounds write in the host OS in pcnetReceiveNoSync in DevPCNet.cpp in the PCNet (Am79C970A) network device model.

References

https://www.virtualbox.org/wiki/Download_Old_Builds_7_0

https://www.oracle.com/

https://gist.github.com/entropy1337/cd0d5b368445d20c43aca2590b313892

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-93418

Details

Source: Mitre, NVD

Published: 2026-10-06

Updated: 2026-10-06

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00339