Threat Intelligence / CVE / CVE-2023-3079

CVE-2023-3079 — Google Chrome

CISA KEV
CVSS v3.1 8.8 (HIGH) · EPSS 2.1% (higher than 84.1% of all scored CVEs) · Priority 9/10 · Published 2023-06-05

As of 2025-10-24, CVE-2023-3079 is a HIGH-severity vulnerability in Google Chrome, CVSS v3.1 8.8, EPSS 2.1% (84.1th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-06-07), with a US federal remediation deadline of 2023-06-28. Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2023-3079, most recently “Hack-for-Hire Espionage Campaign Targeting MENA Civil Society via Predator/Intellexa Mercenary Spyware”.

Last updated: 2025-10-24

What is CVE-2023-3079?

Type confusion in V8 in Google Chrome prior to 114.0.5735.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

The record classifies CVE-2023-3079 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. 10 affected-product entries are recorded, across 7 vendors, listed below. The identifier was first published 1196 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)
2.1% probability of exploitation in the next 30 days, higher than 84.1% of all scored CVEs
CISA KEV
Listed since 2023-06-07, federal remediation deadline 2023-06-28
Threadlinqs priority
9/10 — CISA KEV-listed, which Threadlinqs floors at 9
Published
2023-06-05, last modified 2025-10-24

Is CVE-2023-3079 being exploited?

CISA added CVE-2023-3079 to the Known Exploited Vulnerabilities catalog on 2023-06-07, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2023-06-28 under BOD 22-01. It currently carries a trending score of 36 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2023-3079

The record marks a vendor fix as available for CVE-2023-3079. Vendor advisory: https://chromereleases.googleblog.com/2023/06/stable-channel-update-for-desktop.html. Because CVE-2023-3079 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2023-06-28. 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-2023-3079

1 tracked threat in the Threadlinqs corpus references CVE-2023-3079, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Seeded from nvd and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.

Full detection coverage & IOCs for threats exploiting CVE-2023-3079 are available via the Threadlinqs MCP server (Purple tier). View plans →

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