CVE-2021-26381 HIGH

CVE-2021-26381

Weakness CWE-770 · Uncontrolled resource consumption
Published February 10, 2026
Last update February 26, 2026
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Local
Attack complexity High
Privileges required High
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

Improper system call parameter validation in the Trusted OS may allow a malicious driver to perform mapping or unmapping operations on a large number of pages, potentially resulting in kernel memory corruption.

Key dates

02Disclosure timeline

February 10, 2026 CVE published
February 26, 2026 Record updated