SEPTEMBER 22, 2026
Live Feed
Back to database
Case File

CVE-1999-1476

LOW · CVSS 2.1 EPSS 0.29%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 1999-12-31 · Last synced 2026-08-04

CyberRota Analysis

This is a low severity vulnerability with a CVSS score of 2.1. It affects Windows. It may lead to a denial-of-service condition.

CVE
CVE-1999-1476
Severity
LOW
CVSS
2.1
EPSS
0.29%
Windows

Original NVD Description

A bug in Intel Pentium processor (MMX and Overdrive) allows local users to cause a denial of service (hang) in Intel-based operating systems such as Windows NT and Windows 95, via an invalid instruction, aka the "Invalid Operand with Locked CMPXCHG8B Instruction" problem.