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Vulnerability ID

CVE-2026-70054

AI Exploitable

Elevation of Privilege via heap buffer overflow in Windows NetBIOS

ProductWindows

CVSS 3.1High7.8

EPSS0.46%

Has public PoCNo

AI Exploitability

A working PoC was successfully generated by AI

Working AI PoC: Yes
Cheapest run: $256.37
Fastest run: 13.4 hr

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Model Matrix Capability Breakdown Vulnerability Details Timeline Community

Overview

Heap-based buffer overflow in Windows NetBIOS allows an authorized attacker to elevate privileges locally.

CWE: CWE-122
Weakness: Heap-based Buffer Overflow
Component: Windows NetBIOS
Impact: Elevation of Privilege
Published: 2026-10-13
Fixed version: 10.0.26100.33650

Risk factors

In-the-WildNot observed

CISA KEVNot listed

Public ExploitNone known

Ransomware useNone known

Severity

CVSS 3.1Only version published

7.8High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability

Attack VectorLocal

ComplexityLow

Privileges RequiredLow

User InteractionNone

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

EPSS

Chance of exploitation in the next 30 days

0.46%

SSVC

Stakeholder-specific vulnerability categorization

Not scored. CISA publishes an SSVC decision for a subset of CVEs.