CVE-2022-46320

CRITICALNVD 9.89.8—

9.8

The kernel module has an out-of-bounds read vulnerability. Successful exploitation of this vulnerability may cause memory overwriting.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 48.2%
KEV: Not listed

Published

December 20, 2022

Last Modified

April 16, 2025

Advisory Details (2)

Auto-updated May 28, 2026

No patch confirmed yet.

generic

Document

https://device.harmonyos.com/en/docs/security/update/security-bulletins-202212-0000001462975397

generic

HUAWEI EMUI/Magic UI security updates December 2022 | HUAWEI Support Global

https://consumer.huawei.com/en/support/bulletin/2022/12/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-125Out-of-bounds Read

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-29 13:43 UTCEPSS rescore

Frequently asked(5)

What is CVE-2022-46320?

CVE-2022-46320 is a critical vulnerability published on December 20, 2022. The kernel module has an out-of-bounds read vulnerability. Successful exploitation of this vulnerability may cause memory overwriting.

When was CVE-2022-46320 disclosed?

CVE-2022-46320 was first published in the National Vulnerability Database on December 20, 2022, with the most recent update on April 16, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-46320 actively exploited?

CVE-2022-46320 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 48.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-46320?

CVE-2022-46320 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2022-46320?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-46320, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2022-46320

📅 Published

🔄 Last Modified

📋 Advisory Details (2)