עברית

Vulnerability Intelligence

CVE-2026-77178

Critical 9.1

Published
Last modified
NVD status
Awaiting Analysis

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.

References3

Metrics

CVSS 3.1
9.1 CRITICAL Score source: CNA CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS — exploit probability
0% percentile: 27 · as of 10 November 2026
CWE
CWE-787

Could this be exploited in your environment?

A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.