What is CVE-2025-24519?

CVE-2025-24519 is a medium-severity vulnerability in Intel Quickassist Technology, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2025-11-11.

How severe is CVE-2025-24519?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Intel Quickassist Technology

CVE-2025-24519

Buffer overflow for some Intel(R) QAT Windows software before version 2.6.0. within Ring 3: User Applications may allow an escalation of privilege. System software adversary with an authenticated user combined with a low complexity attack may enable data manipulation. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (high) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (2.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N.

Affected products

Intel Quickassist_technology
N/a Intel(r) Qat Windows Software — versions before version 2.6.0.

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

secure@intel.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-24519?: CVE-2025-24519 is a medium-severity vulnerability in Intel Quickassist Technology, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2025-11-11.
How severe is CVE-2025-24519?: Medium severity. CVSS v3 base score is 6.5 out of 10.