CVE-2026-20794 Memory corruption in Intel(R) Data Center Graphics Driver for VMware ESXi software

Critical 9.3 Published Updated

A buffer overflow in the Intel Data Center Graphics Driver for VMware ESXi allows local attackers to escalate privileges and execute code.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-20794?

CVE-2026-20794 is a critical memory corruption vulnerability in Intel(R) Data Center Graphics Driver for VMware ESXi software, published on 12 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer overflow for the Intel(R) Data Center Graphics Driver for VMware ESXi software before version 2.0.2 within Ring 1: Device Drivers may allow an escalation of privilege. System software adversary with a privileged user combined with a low complexity attack may enable local code execution. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (high) and availability (high) impacts.

Weakness: CWE-120

Which versions are affected by CVE-2026-20794?

How do I fix CVE-2026-20794?

No fix has been published for CVE-2026-20794 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-20794 being exploited?

There is no known exploitation of CVE-2026-20794 in the wild and no public exploit code.

Sources

Also known as GHSA-g43p-fpv4-prfq.

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