What is CVE-2026-64197?

CVE-2026-64197 is a high-severity vulnerability, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2026-09-03.

How severe is CVE-2026-64197?

High severity. CVSS v3 base score is 7.8 out of 10.

CVE-2026-64197

CVE-2026-64197

There is an out-of-bounds write vulnerability in DASYLab due to improper validation of user-supplied data, resulting in a write past the end of an allocated data structure. Successful exploitation requires an attacker to get a user to open a specially crafted .DSB file. This issue affects all versions before 2026.0.0.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@ni.com

Frequently asked questions

What is CVE-2026-64197?: CVE-2026-64197 is a high-severity vulnerability, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2026-09-03.
How severe is CVE-2026-64197?: High severity. CVSS v3 base score is 7.8 out of 10.