CVE-2026-77178
CRITICAL
CVSS 9.1
Published: 2026-10-06
Modified: 2026-10-06
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Threat Intelligence Pending
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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.
Quick Facts
| CVE ID | CVE-2026-77178 |
| CVSS Score | 9.1 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
| Published | 2026-10-06 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |