Three Critical VMware Flaws Allow Auth Bypass, Code Execution, and VM Escape
Broadcom patches three critical VMware flaws, including vCenter auth bypass CVE-2026-59309 and an ESX VM escape, urging immediate updates.
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CVE-2026-47876
- CVSS 3.1
- 9.3 critical
- EPSS
- <1%p29
- Published
- ·
- Modified
Description · NVD
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.
- Weakness
- CWE-787
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
In the news
3 storiesCanada updates VMware advisory after two CVEs enter CISA KEV
CVE-2026-41709 joined the KEV catalog on October 28; CVE-2026-59310 was added on August 18.
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