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Assessments / CVE-2026-47876 LIVE

CVE-2026-47876

CVSS 9.3 Insufficient evidence

VMware ESX · VMXNET3 VM escape

Evidence

vCenter
CMDB
Agents
VM config

Conditions

ESX 8.0 host present
Patch U3k not applied
Guest VM admin access
VMXNET3 NIC in use

Verdict

3/4Proven

1 gap to close

Affected
Not affected
Insufficient evidence

From one system to your whole estate

Not “patch 1,000 systems.”
These 12 first.

Grouped by outcome. Ranked by what matters to you.

Ask / Estate impact LIVE

How hard does CVE-2026-47876 hit us?

Impact

1,000 ESX hosts matched

640

Not affected

Patched or ruled out

280

Insufficient evidence

One answer resolves all 280: VMXNET3 NIC in use?

80

Affected

Ranked by your context

Fix first

12 of 80 affected

  1. 1esx-prod-07
    Internet-facingPaymentsLaunch in 14 d
  2. 2esx-dmz-03
    Exploited in the wildCustomer data
  3. 3esx-prod-12
    Business critical2,400 users

+ 9 more this week · 68 scheduled with regular patching

Your estate, not a list

Grouped by outcome and cause. Gaps closed per question.

Priority from your context

Exposure, data, users, launches. The ranking follows.

Ask in plain language

How many systems? Why this one first? What changed?