CVE-2026-18485

Local Privilege Escalation in NI-PAL

State: Published
Severity: 8.5 High
Published: Aug 5, 2026
Updated: Aug 6, 2026
Reserved: Jul 31, 2026

Description

There is a local privilege escalation vulnerability recently discovered in the NI-PAL kernel driver. This may allow a local, authenticated user to escalate privileges and execute arbitrary code. This vulnerability affects NI-PAL 26.3.1 and prior versions running on Microsoft Windows.

Scores

CVSS	Score	Vector	Source
4.0	8.5 High	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	NI
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NI

Weaknesses

CWE-1285 Improper validation of specified index, position, or offset in input

Affected Products

Product	Versions
NI-PALNI	26.3.1 and earlierAffected

References

https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/local-privilege-escalation-in-ni-pal.html

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