CVE intelligence

CVE-2026-98893

Vulnerability intelligence

Published Oct 23, 2026Sources checked Oct 25, 2026

N/ACVSS not listedScore unavailable

What this means

Review the available evidence

CVE-2026-98893. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Microsoft Security Response Center guidance

Vendor revision: Oct 24, 2026

Release Notes

Vendor-listed releases

6.6.159.1-1

CISA KEVNot listedBased on the latest collected catalog

EPSS0.2%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-98893?

In the Linux kernel, the following vulnerability has been resolved:

firmware: arm_scmi: Validate SENSOR_UPDATE payload size

SENSOR_UPDATE carries one or more sensor readings after the fixed notification header. The parser derives the expected reading count from the sensor description, but it did not verify that the received payload contains those entries before parsing them.

Reject truncated update notifications before reading the variable array.

Source: NVD