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CVE-1999-1476

UnknownEPSS 0.29%

Last modified

CVE-1999-1476 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.29%

20.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
IntelPentiumAll versions
IntelPentuimAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-1999-1476?
Severity scoring for CVE-1999-1476 is pending analysis. The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-1999-1476?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-1999-1476?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST