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N A CVE-2026-20794

| EUVDEUVD-2026-29530 CRITICAL
Classic Buffer Overflow (CWE-120)
2026-05-12 intel GHSA-g43p-fpv4-prfq
9.3
CVSS 4.0 · NVD
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Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Buffer copy size validation
MITRE ATT&CK

1 technique across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 23, 2026

Local privilege escalation in the Intel Data Center Graphics Driver for VMware ESXi before version 2.0.2 lets a privileged local user trigger a Ring 1 device-driver buffer overflow to execute arbitrary code and take total control of the host. The flaw carries a CVSS 4.0 base score of 9.3 with high confidentiality, integrity and availability impact on both the vulnerable and subsequent systems. There is no public exploit identified at time of analysis, and the EPSS score is negligible at 0.01% (3rd percentile), consistent with the SSVC verdict of no known exploitation.

Affected VersionsENISA

Intel(R) Data Center Graphics Driver for VMware ESXi software before version 2.0.2

Affected Packages

euvd intel_r_data_center_graphics_driver_for_vmware_esxi_software_before_version no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.3 CRITICAL
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Vulnerable system: Confidentiality
High
Vulnerable system: Integrity
High
Vulnerable system: Availability
High
Subsequent system: Confidentiality
High
Subsequent system: Integrity
High
Subsequent system: Availability
High

Lifecycle Timeline

3
CVSS changed
May 12, 2026 - 17:22 NVD
9.3 (CRITICAL)
CVE Published
May 12, 2026 - 16:34 nvd
CRITICAL 9.3
CVE Published
May 12, 2026 - 16:34 nvd
UNKNOWN (no severity yet)

DescriptionCVE.org

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.

Executive ViewAI

Why It Matters

The Intel Data Center Graphics Driver for VMware ESXi versions before 2.0.2 contains a critical local privilege escalation vulnerability (CVSS 9.3) that allows a privileged local user to execute arbitrary code and gain complete control of the ESXi host. With no vendor patch currently available and no public exploit identified at time of analysis, organizations must immediately restrict privileged access and consider disabling the driver to prevent potential infrastructure compromise.

Recommended Action

Within 24 hours: inventory all ESXi deployments to identify systems using Intel Data Center Graphics Driver versions prior to 2.0.2, and implement strict administrative access controls limiting privileged user access to only essential personnel. Within 7 days: disable the Intel Data Center Graphics Driver on systems where GPU graphics are not required for workload operations, and establish monitoring for suspicious driver-related activity and privilege escalation attempts. Within 30 days: establish a process to monitor Intel and VMware security advisories for patch availability, maintain current inventory of affected systems, and prepare a remediation plan for immediate deployment upon vendor patch release.

Business Impact: Severe
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations include: restrict privileged administrative access to ESXi systems to minimize attack surface; disable Intel Data Center Graphics Driver where not operationally essential; implement driver execution monitoring and driver-level audit logging; enforce principle of least privilege for all administrative accounts; establish continuous monitoring of Intel and VMware security advisories for patch availability.

Threat Intelligence Overview

EPSS Score
0.0%
Top 97% exploitable
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 0.0%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
None
System Exposure· derived
Small
Automatable
No
Human Impact
Very High
Technical Impact
Total

Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +46
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

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