Out-of-Bounds Write in Intel Performance Counter Monitor Affects User Applications
CVE-2026-50109

8.3HIGH

Key Information:

Vendor

Intel
Status
Intel(r) Performance Counter Monitor (intel(r) Pcm)
Vendor
CVE Published:
10 November 2026

What is CVE-2026-50109?

An out-of-bounds write vulnerability exists in the Intel Performance Counter Monitor, which may permit an unprivileged software adversary to cause denial of service on affected user applications. This vulnerability can be exploited remotely through network access without requiring any user interaction or special internal knowledge. If successfully exploited, it can affect the availability of the system, posing significant risks to the performance and reliability of applications relying on the Intel PCM.

Affected Version(s)

Intel(R) Performance Counter Monitor (Intel(R) PCM) See references

References

https://intel.com/content/www/us/en/security-center/advis...

CVSS V4

Score:
8.3
Severity:
HIGH
Confidentiality:
None
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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