Is CVE-2022-36320 actively exploited?

No active exploitation of CVE-2022-36320 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-36320 be exploited remotely?

Yes. CVE-2022-36320 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-36320?

CVE-2022-36320 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-36320

CWE-787Published: December 22, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 102. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 103.

NVD Source

Risk Analysis

Memory safety bugs in Firefox 102 indicate potential memory corruption that could be leveraged for arbitrary code execution. The critical severity highlights the need for immediate patching.

No public exploit is known, and the vulnerability is not in the CISA KEV catalog.

Recommended Action

Update Firefox to a version later than 103 to resolve the memory safety issues.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-36320 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.