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HIGH

CVE-2018-16522

CVSS v3

8.1

HIGH

EPSS Score

2.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Amazon Web Services (AWS) FreeRTOS through 1.3.1 has an uninitialized pointer free in SOCKETS_SetSockOpt.

Technical details

Published
2018-12-06

Frequently asked questions

What is CVE-2018-16522?

Amazon Web Services (AWS) FreeRTOS through 1.3.1 has an uninitialized pointer free in SOCKETS_SetSockOpt.

Is CVE-2018-16522 actively exploited?

Active exploitation of CVE-2018-16522 has not been confirmed. Its EPSS score was 2.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-16522?

CVE-2018-16522 has a CVSS v3 base score of 8.1 (HIGH severity).

Is CVE-2018-16522 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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