CVE-1999-1476
LowExploitation Probability (EPSS)
Low risk20th percentile — higher than 20% of all known CVEs
Summary
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.
Risk Assessment
Organizations may experience downtime in their operating systems, potentially leading to loss of productivity and service availability.
Recommendation
It is recommended to update operating systems and monitor the use of Intel Pentium processors to minimize the risk of this vulnerability.
Original NVD description (English source)
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.