CVE-2026-77178
Oracle VM VirtualBox before 7.2.8 allows guest OS users to cause an out-of-bounds write in the host…
- Risk score
- 65/100
- CVSS
- 9.1 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 6 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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.
- Affected
- See advisory
- Fix
- Upgrade the product to 7.2.8 or later.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 9.1 critical
- Remotely exploitable without logging in
References
Original 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.
Last activity 6 Oct 2026. Patch Forecast updates every hour.