Privilege Escalation Vulnerability in Intel Processors
CVE-2026-20760

6.8MEDIUM

Key Information:

Vendor

Intel

Vendor
CVE Published:
11 August 2026

What is CVE-2026-20760?

An improper handling of memory from Intel processor microcode can lead to privilege escalation. This vulnerability exists within Ring 0 of the hypervisor, allowing an authorized adversary with sufficient access to exploit this oversight. By executing a low-complexity attack, the adversary may escalate privileges locally without requiring user interaction or unique internal knowledge. This flaw poses serious risks to system confidentiality, integrity, and availability, potentially impacting the overall security posture of the affected systems.

Affected Version(s)

Intel(R) Processors See references

References

CVSS V4

Score:
6.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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