CVE-2025-20109
7.8CVSSHIGH
Description
Improper Isolation or Compartmentalization in the stream cache mechanism for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege via local access.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:HAttack ComplexityHigh
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:CScopeChanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
and 41 more affected products View all →
Exploitability
Official Patch Available
References
https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01249.html
intel.com
https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/microcode-20250812
github.com
https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01249.html
intel.com
and 8 more references View all →
Timeline
Published
Aug 12, 2025
Last Updated
Nov 3, 2025
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