CVE-1999-1476

Intel Pentium - Denial of Service via Invalid Operand with Locked CMPXCHG8B Instruction

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Patch, Vendor Advisory vendor-advisory x_refsource_mskb
http://support.microsoft.com/support/kb/articles/q163/8/52.asp
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/704

Scores

EPSS 0.0006
EPSS Percentile 18.2%

Details

Status published
Products (2)
intel/pentium
intel/pentuim
Published Dec 31, 1999
Tracked Since Feb 18, 2026