CVE-2025-20109

7.3 highEPSS 0.1%

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.

Severity

CVSS 4.0

7.3 high

CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-31)
CWE: CWE-653
Published: 2025-08-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01249.html
https://lists.debian.org/debian-lts-announce/2025/10/msg00027.html

Check your stack JSON