CVE-1999-1476
Intel Pentium — NVD-CWE-Other
- Published: 1999-12-31T05:00:00.000
- Last modified: 2025-04-03T01:03:51.193
- Vendors: Intel
- Products: Pentium, Pentuim
- CWE: NVD-CWE-Other
CVE-1999-1476 — 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. [Weakness: NVD-CWE-Other]
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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.
🧠 Explainer: What this vulnerability means
Summary: The issue in Pentium by Intel (CWE: unspecified) may enable attacks.
Impact: Systems could be compromised, leading to confidentiality, integrity, or availability loss.
Mitigation: Until patched, restrict exposure, enforce least privilege, and monitor for suspicious activity.