High severity · published Aug 12, 2025
CVE-2025-20109
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…
7.8
CVSS
0.1%
EPSS
No
On KEV
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
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IP
Intel(R) Processors ·
See references · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-20109
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-20109
intel.com
https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01249.html
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/10/msg00027.html
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