VulnSocial

CVE-2026-77178

LOWCVSS 9.1 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-787

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Peaked 1d ago at 1 mentions (2026-10-07); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-10-07: 1Mentions · 2026-10-08: 110-0710-08
Referenced assets2 URLs
Full discourse2 posts
  • The Hacker Wire@TheHackerWire

    🚨 CVE-2026-77178 (CVSS 8.8 High) An out-of-bounds write in Oracle VM VirtualBox's PCNet device model enables guest OS attackers to corrupt host memory and escape virtualization. https://www.thehackerwire.com/vulnerability/CVE-2026-77178/ https://t.co/Fs6WHY8fRj

    0000025
    176 followersView on X
  • Cybersecurity News DE@cybsecuritynews

    #schwachstellen Oracle VM VirtualBox: Kritische Lücke CVE-2026-77178 vor Version 7.2.8 #am79c970a #cve202677178 #oracle #oraclevmvirtualbox #pcnet https://cybersecurity-news.de/oracle-vm-virtualbox-cve-2026-77178-vor-7-2-8

    0000018
    15 followersView on X

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