CVE-2022-23731

Local privilege escalation via undisclosed V8 heap flaw

Published Mar 11, 2022 · Updated Aug 3, 2024

Privilege escalation in the V8 JavaScript engine in LG Electronics webOS TV 4.0 and later allows local users to gain elevated privileges. The published LG and CVE records identify only an unspecified heap vulnerability in V8; no affected function or incorrect heap operation is disclosed. Exploitation requires existing low-privileged local execution on the television and can compromise confidentiality, integrity, and availability.

CVSS severity7.8
High
EPSS probability0.63%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Privilege escalation in the V8 JavaScript engine in LG Electronics webOS TV 4.0 and later allows local users to gain elevated privileges. The published LG and CVE records identify only an unspecified heap vulnerability in V8; no affected function or incorrect heap operation is disclosed. Exploitation requires existing low-privileged local execution on the television and can compromise confidentiality, integrity, and availability.

The record

CVE
CVE-2022-23731
Published
Mar 11, 2022
Updated
Aug 3, 2024
Vendor
LG Electronics
Product
webOS TV
Classifications
CWE-264, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 11, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=webOS 4.0 or higher

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

LG Electronics · webOS TVversion=webOS 4.0 or higher

Published CVSS scores

7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.6NIST NVDAV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-264Permissions, Privileges, and Access Controls
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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