CVE-2026-47876
criticalpriority · track · 0EPSS 0.002 · 9 %ileDEEUNLRUEPSS · scored 2026-10-27
VMware ESX contains an out-of-bounds write vulnerability in the VMXNET3 virtual network adapter. A malicious actor with local administrative privileges on a virtual machine with VMXNET3 virtual network adapter may exploit this issue to execute code on the host. Non VMXNET3 virtual adapters are not affected by this issue.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.5–9.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (26)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- NCSC-2026-0269Kwetsbaarheden verholpen in VMware productenNL2026-07-29csaf · ncsc_nlNL
VMware heeft kwetsbaarheden verholpen in VMware vCenter en VMware ESX producten.
- WID-SEC-W-2026-2569VMware Produkte: Mehrere SchwachstellenDeutsch2026-07-28csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in VMware ESXi, VMware vCenter Server, VMware Workstation und VMware Fusion ausnutzen, um einen Denial of Service zuverursachen, Informationen offenzulegen, Sicherheitsmaßnahmen zu umgehen und Code auszuführen.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (3)
External citations — patches, advisories, analysis.
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017cnnvd
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017enisa_euvd
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017nvd
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