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VulnerabilityCVE-2023-2033Published 2023-04-14

CVE-2023-2033 — Google Chrome

highCISA KEVPublic exploit6 PoC repos

As of 2025-10-21, CVE-2023-2033 is a HIGH-severity vulnerability in Google Chrome, CVSS v3.1 8.8, EPSS 40.7% (98.6th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-04-17), with a US federal remediation deadline of 2023-05-08. Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2023-2033, most recently “Hack-for-Hire Espionage Campaign Targeting MENA Civil Society via Predator/Intellexa Mercenary Spyware”.

CVSS v3.1
8.8/10High
EPSS
40.7%Higher than 98.6% of scored CVEs
CISA KEV
ListedAdded · due 2023-05-08
Tracked threats
1Campaigns referencing it
Priority
9/10Threadlinqs triage score
Published
Updated 2025-10-21
CVSS v3.1 8.8 (HIGH) · EPSS 40.7% (higher than 98.6% of all scored CVEs) · Priority 9/10 · Published 2023-04-14

Last updated:

What is CVE-2023-2033?

Type confusion in V8 in Google Chrome prior to 112.0.5615.121 allowed remote attackers to potentially exploit heap corruption via a crafted HTML page.

The record classifies CVE-2023-2033 under weakness class CWE-843. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality, integrity, availability. 6 affected-product entries are recorded, across 4 vendors, listed below. The identifier was first published 1297 days ago.

Severity and exploitation probability

CVSS v3.1 base score
8.8 — HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (FIRST)
40.7% probability of exploitation in the next 30 days, higher than 98.6% of all scored CVEs
CISA KEV
Listed since 2023-04-17, federal remediation deadline 2023-05-08
Threadlinqs priority
9/10 — CISA KEV-listed, which Threadlinqs floors at 9
Published
2023-04-14, last modified 2025-10-21

Is CVE-2023-2033 being exploited?

CISA added CVE-2023-2033 to the Known Exploited Vulnerabilities catalog on 2023-04-17, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2023-05-08 under BOD 22-01. Weaponised exploit code for CVE-2023-2033 is publicly available. 6 public proof-of-concept repositories are tracked for this identifier. It currently carries a trending score of 48 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2023-2033

The record marks a vendor fix as available for CVE-2023-2033. Vendor advisory: https://chromereleases.googleblog.com/2023/04/stable-channel-update-for-desktop_14.html. Because CVE-2023-2033 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2023-05-08. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2023-2033

1 tracked threat in the Threadlinqs corpus references CVE-2023-2033, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, FIRST EPSS, CISA KEV, public proof-of-concept repositories. Last verified by Threadlinqs on .

Other references

Showing 5 of 11 recorded references.