What is CVE-2025-20623?

CVE-2025-20623 is a medium-severity vulnerability in Intel(r) Core™ Processors (10th Generation), classified under CWE-1423. CVSS score: 5.6/10. Published 2025-05-13.

How severe is CVE-2025-20623?

Medium severity. CVSS v3 base score is 5.6 out of 10.

Is CVE-2025-20623 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Intel(r) Core™ Processors (10th Generation)

CVE-2025-20623

Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution for some Intel(R) Core™ processors (10th Generation) may allow an authenticated user to potentially enable informatio…

EPSS: 0.001 (26.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

N/a Intel(r) Core™ Processors (10th Generation) — versions See references

Weakness classification (CWE)

CWE-1423

Public proof-of-concept exploits

w4zu/Debian_

References

https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01247.html

Frequently asked questions

What is CVE-2025-20623?: CVE-2025-20623 is a medium-severity vulnerability in Intel(r) Core™ Processors (10th Generation), classified under CWE-1423. CVSS score: 5.6/10. Published 2025-05-13.
How severe is CVE-2025-20623?: Medium severity. CVSS v3 base score is 5.6 out of 10.
Is CVE-2025-20623 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.